49989500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 121867200

約数和(自身を除く): 71877700

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 61, 100, 110, 122, 125, 149, 220, 244, 250, 275, 298, 305, 500, 550, 596, 610, 671, 745, 1100, 1220, 1342, 1375, 1490, 1525, 1639, 2684, 2750, 2980, 3050, 3278, 3355, 3725, 5500, 6100, 6556, 6710, 7450, 7625, 8195, 9089, 13420, 14900, 15250, 16390, 16775, 18178, 18625, 30500, 32780, 33550, 36356, 37250, 40975, 45445, 67100, 74500, 81950, 83875, 90890, 99979, 163900, 167750, 181780, 199958, 204875, 227225, 335500, 399916, 409750, 454450, 499895, 819500, 908900, 999790, 1136125, 1999580, 2272250, 2499475, 4544500, 4998950, 9997900, 12497375, 24994750, 49989500]

約数ペア:

[(1, 49989500), (2, 24994750), (4, 12497375), (5, 9997900), (10, 4998950), (11, 4544500), (20, 2499475), (22, 2272250), (25, 1999580), (44, 1136125), (50, 999790), (55, 908900), (61, 819500), (100, 499895), (110, 454450), (122, 409750), (125, 399916), (149, 335500), (220, 227225), (244, 204875), (250, 199958), (275, 181780), (298, 167750), (305, 163900), (500, 99979), (550, 90890), (596, 83875), (610, 81950), (671, 74500), (745, 67100), (1100, 45445), (1220, 40975), (1342, 37250), (1375, 36356), (1490, 33550), (1525, 32780), (1639, 30500), (2684, 18625), (2750, 18178), (2980, 16775), (3050, 16390), (3278, 15250), (3355, 14900), (3725, 13420), (5500, 9089), (6100, 8195), (6556, 7625), (6710, 7450)]