131229200

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 343192320

約数和(自身を除く): 211963120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 190, 200, 248, 304, 310, 380, 400, 475, 496, 557, 589, 620, 760, 775, 950, 1114, 1178, 1240, 1520, 1550, 1900, 2228, 2356, 2480, 2785, 2945, 3100, 3800, 4456, 4712, 5570, 5890, 6200, 7600, 8912, 9424, 10583, 11140, 11780, 12400, 13925, 14725, 17267, 21166, 22280, 23560, 27850, 29450, 34534, 42332, 44560, 47120, 52915, 55700, 58900, 69068, 84664, 86335, 105830, 111400, 117800, 138136, 169328, 172670, 211660, 222800, 235600, 264575, 276272, 328073, 345340, 423320, 431675, 529150, 656146, 690680, 846640, 863350, 1058300, 1312292, 1381360, 1640365, 1726700, 2116600, 2624584, 3280730, 3453400, 4233200, 5249168, 6561460, 6906800, 8201825, 13122920, 16403650, 26245840, 32807300, 65614600, 131229200]

約数ペア:

[(1, 131229200), (2, 65614600), (4, 32807300), (5, 26245840), (8, 16403650), (10, 13122920), (16, 8201825), (19, 6906800), (20, 6561460), (25, 5249168), (31, 4233200), (38, 3453400), (40, 3280730), (50, 2624584), (62, 2116600), (76, 1726700), (80, 1640365), (95, 1381360), (100, 1312292), (124, 1058300), (152, 863350), (155, 846640), (190, 690680), (200, 656146), (248, 529150), (304, 431675), (310, 423320), (380, 345340), (400, 328073), (475, 276272), (496, 264575), (557, 235600), (589, 222800), (620, 211660), (760, 172670), (775, 169328), (950, 138136), (1114, 117800), (1178, 111400), (1240, 105830), (1520, 86335), (1550, 84664), (1900, 69068), (2228, 58900), (2356, 55700), (2480, 52915), (2785, 47120), (2945, 44560), (3100, 42332), (3800, 34534), (4456, 29450), (4712, 27850), (5570, 23560), (5890, 22280), (6200, 21166), (7600, 17267), (8912, 14725), (9424, 13925), (10583, 12400), (11140, 11780)]