1818474700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:245

約数の個数: 216

約数和(自身を含む): 4892499360

約数和(自身を除く): 3074024660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 25, 28, 34, 35, 50, 68, 70, 85, 89, 100, 101, 119, 140, 170, 175, 178, 202, 238, 289, 340, 350, 356, 404, 425, 445, 476, 505, 578, 595, 623, 700, 707, 850, 890, 1010, 1156, 1190, 1246, 1414, 1445, 1513, 1700, 1717, 1780, 2020, 2023, 2225, 2380, 2492, 2525, 2828, 2890, 2975, 3026, 3115, 3434, 3535, 4046, 4450, 5050, 5780, 5950, 6052, 6230, 6868, 7070, 7225, 7565, 8092, 8585, 8900, 8989, 10100, 10115, 10591, 11900, 12019, 12460, 14140, 14450, 15130, 15575, 17170, 17675, 17978, 20230, 21182, 24038, 25721, 28900, 29189, 30260, 31150, 34340, 35350, 35956, 37825, 40460, 42364, 42925, 44945, 48076, 50575, 51442, 52955, 58378, 60095, 62300, 62923, 70700, 75650, 85850, 89890, 101150, 102884, 105910, 116756, 120190, 125846, 128605, 145945, 151300, 152813, 171700, 179780, 180047, 202300, 204323, 211820, 224725, 240380, 251692, 257210, 264775, 291890, 300475, 305626, 314615, 360094, 408646, 449450, 514420, 529550, 583780, 600950, 611252, 629230, 643025, 720188, 729725, 764065, 817292, 898900, 900235, 1021615, 1059100, 1069691, 1201900, 1258460, 1286050, 1459450, 1528130, 1573075, 1800470, 2043230, 2139382, 2572100, 2597821, 2918900, 3056260, 3146150, 3600940, 3820325, 4086460, 4278764, 4501175, 5108075, 5195642, 5348455, 6292300, 7640650, 9002350, 10216150, 10391284, 10696910, 12989105, 15281300, 18004700, 18184747, 20432300, 21393820, 25978210, 26742275, 36369494, 51956420, 53484550, 64945525, 72738988, 90923735, 106969100, 129891050, 181847470, 259782100, 363694940, 454618675, 909237350, 1818474700]

約数ペア:

[(1, 1818474700), (2, 909237350), (4, 454618675), (5, 363694940), (7, 259782100), (10, 181847470), (14, 129891050), (17, 106969100), (20, 90923735), (25, 72738988), (28, 64945525), (34, 53484550), (35, 51956420), (50, 36369494), (68, 26742275), (70, 25978210), (85, 21393820), (89, 20432300), (100, 18184747), (101, 18004700), (119, 15281300), (140, 12989105), (170, 10696910), (175, 10391284), (178, 10216150), (202, 9002350), (238, 7640650), (289, 6292300), (340, 5348455), (350, 5195642), (356, 5108075), (404, 4501175), (425, 4278764), (445, 4086460), (476, 3820325), (505, 3600940), (578, 3146150), (595, 3056260), (623, 2918900), (700, 2597821), (707, 2572100), (850, 2139382), (890, 2043230), (1010, 1800470), (1156, 1573075), (1190, 1528130), (1246, 1459450), (1414, 1286050), (1445, 1258460), (1513, 1201900), (1700, 1069691), (1717, 1059100), (1780, 1021615), (2020, 900235), (2023, 898900), (2225, 817292), (2380, 764065), (2492, 729725), (2525, 720188), (2828, 643025), (2890, 629230), (2975, 611252), (3026, 600950), (3115, 583780), (3434, 529550), (3535, 514420), (4046, 449450), (4450, 408646), (5050, 360094), (5780, 314615), (5950, 305626), (6052, 300475), (6230, 291890), (6868, 264775), (7070, 257210), (7225, 251692), (7565, 240380), (8092, 224725), (8585, 211820), (8900, 204323), (8989, 202300), (10100, 180047), (10115, 179780), (10591, 171700), (11900, 152813), (12019, 151300), (12460, 145945), (14140, 128605), (14450, 125846), (15130, 120190), (15575, 116756), (17170, 105910), (17675, 102884), (17978, 101150), (20230, 89890), (21182, 85850), (24038, 75650), (25721, 70700), (28900, 62923), (29189, 62300), (30260, 60095), (31150, 58378), (34340, 52955), (35350, 51442), (35956, 50575), (37825, 48076), (40460, 44945), (42364, 42925)]