999945100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7639}}^1$

素因数の和:7688

約数の個数: 144

約数和(自身を含む): 2864816640

約数和(自身を除く): 1864871540

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 17, 20, 22, 25, 28, 34, 35, 44, 50, 55, 68, 70, 77, 85, 100, 110, 119, 140, 154, 170, 175, 187, 220, 238, 275, 308, 340, 350, 374, 385, 425, 476, 550, 595, 700, 748, 770, 850, 935, 1100, 1190, 1309, 1540, 1700, 1870, 1925, 2380, 2618, 2975, 3740, 3850, 4675, 5236, 5950, 6545, 7639, 7700, 9350, 11900, 13090, 15278, 18700, 26180, 30556, 32725, 38195, 53473, 65450, 76390, 84029, 106946, 129863, 130900, 152780, 168058, 190975, 213892, 259726, 267365, 336116, 381950, 420145, 519452, 534730, 588203, 649315, 763900, 840290, 909041, 1069460, 1176406, 1298630, 1336825, 1428493, 1680580, 1818082, 2100725, 2352812, 2597260, 2673650, 2856986, 2941015, 3246575, 3636164, 4201450, 4545205, 5347300, 5713972, 5882030, 6493150, 7142465, 8402900, 9090410, 9999451, 11764060, 12986300, 14284930, 14705075, 18180820, 19998902, 22726025, 28569860, 29410150, 35712325, 39997804, 45452050, 49997255, 58820300, 71424650, 90904100, 99994510, 142849300, 199989020, 249986275, 499972550, 999945100]

約数ペア:

[(1, 999945100), (2, 499972550), (4, 249986275), (5, 199989020), (7, 142849300), (10, 99994510), (11, 90904100), (14, 71424650), (17, 58820300), (20, 49997255), (22, 45452050), (25, 39997804), (28, 35712325), (34, 29410150), (35, 28569860), (44, 22726025), (50, 19998902), (55, 18180820), (68, 14705075), (70, 14284930), (77, 12986300), (85, 11764060), (100, 9999451), (110, 9090410), (119, 8402900), (140, 7142465), (154, 6493150), (170, 5882030), (175, 5713972), (187, 5347300), (220, 4545205), (238, 4201450), (275, 3636164), (308, 3246575), (340, 2941015), (350, 2856986), (374, 2673650), (385, 2597260), (425, 2352812), (476, 2100725), (550, 1818082), (595, 1680580), (700, 1428493), (748, 1336825), (770, 1298630), (850, 1176406), (935, 1069460), (1100, 909041), (1190, 840290), (1309, 763900), (1540, 649315), (1700, 588203), (1870, 534730), (1925, 519452), (2380, 420145), (2618, 381950), (2975, 336116), (3740, 267365), (3850, 259726), (4675, 213892), (5236, 190975), (5950, 168058), (6545, 152780), (7639, 130900), (7700, 129863), (9350, 106946), (11900, 84029), (13090, 76390), (15278, 65450), (18700, 53473), (26180, 38195), (30556, 32725)]