79983200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:241

約数の個数: 144

約数和(自身を含む): 217954800

約数和(自身を除く): 137971600

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 61, 80, 88, 100, 110, 122, 149, 160, 176, 200, 220, 244, 275, 298, 305, 352, 400, 440, 488, 550, 596, 610, 671, 745, 800, 880, 976, 1100, 1192, 1220, 1342, 1490, 1525, 1639, 1760, 1952, 2200, 2384, 2440, 2684, 2980, 3050, 3278, 3355, 3725, 4400, 4768, 4880, 5368, 5960, 6100, 6556, 6710, 7450, 8195, 8800, 9089, 9760, 10736, 11920, 12200, 13112, 13420, 14900, 16390, 16775, 18178, 21472, 23840, 24400, 26224, 26840, 29800, 32780, 33550, 36356, 40975, 45445, 48800, 52448, 53680, 59600, 65560, 67100, 72712, 81950, 90890, 99979, 107360, 119200, 131120, 134200, 145424, 163900, 181780, 199958, 227225, 262240, 268400, 290848, 327800, 363560, 399916, 454450, 499895, 536800, 655600, 727120, 799832, 908900, 999790, 1311200, 1454240, 1599664, 1817800, 1999580, 2499475, 3199328, 3635600, 3999160, 4998950, 7271200, 7998320, 9997900, 15996640, 19995800, 39991600, 79983200]

約数ペア:

[(1, 79983200), (2, 39991600), (4, 19995800), (5, 15996640), (8, 9997900), (10, 7998320), (11, 7271200), (16, 4998950), (20, 3999160), (22, 3635600), (25, 3199328), (32, 2499475), (40, 1999580), (44, 1817800), (50, 1599664), (55, 1454240), (61, 1311200), (80, 999790), (88, 908900), (100, 799832), (110, 727120), (122, 655600), (149, 536800), (160, 499895), (176, 454450), (200, 399916), (220, 363560), (244, 327800), (275, 290848), (298, 268400), (305, 262240), (352, 227225), (400, 199958), (440, 181780), (488, 163900), (550, 145424), (596, 134200), (610, 131120), (671, 119200), (745, 107360), (800, 99979), (880, 90890), (976, 81950), (1100, 72712), (1192, 67100), (1220, 65560), (1342, 59600), (1490, 53680), (1525, 52448), (1639, 48800), (1760, 45445), (1952, 40975), (2200, 36356), (2384, 33550), (2440, 32780), (2684, 29800), (2980, 26840), (3050, 26224), (3278, 24400), (3355, 23840), (3725, 21472), (4400, 18178), (4768, 16775), (4880, 16390), (5368, 14900), (5960, 13420), (6100, 13112), (6556, 12200), (6710, 11920), (7450, 10736), (8195, 9760), (8800, 9089)]