378605500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:249

約数の個数: 192

約数和(自身を含む): 1043497728

約数和(自身を除く): 664892228

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 53, 65, 70, 91, 100, 106, 125, 130, 140, 157, 175, 182, 212, 250, 260, 265, 314, 325, 350, 364, 371, 455, 500, 530, 628, 650, 689, 700, 742, 785, 875, 910, 1060, 1099, 1300, 1325, 1378, 1484, 1570, 1625, 1750, 1820, 1855, 2041, 2198, 2275, 2650, 2756, 3140, 3250, 3445, 3500, 3710, 3925, 4082, 4396, 4550, 4823, 5300, 5495, 6500, 6625, 6890, 7420, 7850, 8164, 8321, 9100, 9275, 9646, 10205, 10990, 11375, 13250, 13780, 14287, 15700, 16642, 17225, 18550, 19292, 19625, 20410, 21980, 22750, 24115, 26500, 27475, 28574, 33284, 34450, 37100, 39250, 40820, 41605, 45500, 46375, 48230, 51025, 54950, 57148, 58247, 68900, 71435, 78500, 83210, 86125, 92750, 96460, 102050, 108173, 109900, 116494, 120575, 137375, 142870, 166420, 172250, 185500, 204100, 208025, 216346, 232988, 241150, 255125, 274750, 285740, 291235, 344500, 357175, 416050, 432692, 482300, 510250, 540865, 549500, 582470, 602875, 714350, 757211, 832100, 1020500, 1040125, 1081730, 1164940, 1205750, 1428700, 1456175, 1514422, 1785875, 2080250, 2163460, 2411500, 2704325, 2912350, 3028844, 3571750, 3786055, 4160500, 5408650, 5824700, 7143500, 7280875, 7572110, 10817300, 13521625, 14561750, 15144220, 18930275, 27043250, 29123500, 37860550, 54086500, 75721100, 94651375, 189302750, 378605500]

約数ペア:

[(1, 378605500), (2, 189302750), (4, 94651375), (5, 75721100), (7, 54086500), (10, 37860550), (13, 29123500), (14, 27043250), (20, 18930275), (25, 15144220), (26, 14561750), (28, 13521625), (35, 10817300), (50, 7572110), (52, 7280875), (53, 7143500), (65, 5824700), (70, 5408650), (91, 4160500), (100, 3786055), (106, 3571750), (125, 3028844), (130, 2912350), (140, 2704325), (157, 2411500), (175, 2163460), (182, 2080250), (212, 1785875), (250, 1514422), (260, 1456175), (265, 1428700), (314, 1205750), (325, 1164940), (350, 1081730), (364, 1040125), (371, 1020500), (455, 832100), (500, 757211), (530, 714350), (628, 602875), (650, 582470), (689, 549500), (700, 540865), (742, 510250), (785, 482300), (875, 432692), (910, 416050), (1060, 357175), (1099, 344500), (1300, 291235), (1325, 285740), (1378, 274750), (1484, 255125), (1570, 241150), (1625, 232988), (1750, 216346), (1820, 208025), (1855, 204100), (2041, 185500), (2198, 172250), (2275, 166420), (2650, 142870), (2756, 137375), (3140, 120575), (3250, 116494), (3445, 109900), (3500, 108173), (3710, 102050), (3925, 96460), (4082, 92750), (4396, 86125), (4550, 83210), (4823, 78500), (5300, 71435), (5495, 68900), (6500, 58247), (6625, 57148), (6890, 54950), (7420, 51025), (7850, 48230), (8164, 46375), (8321, 45500), (9100, 41605), (9275, 40820), (9646, 39250), (10205, 37100), (10990, 34450), (11375, 33284), (13250, 28574), (13780, 27475), (14287, 26500), (15700, 24115), (16642, 22750), (17225, 21980), (18550, 20410), (19292, 19625)]