8723000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:106

約数の個数: 128

約数和(自身を含む): 24373440

約数和(自身を除く): 15650440

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 61, 65, 88, 100, 104, 110, 122, 125, 130, 143, 200, 220, 244, 250, 260, 275, 286, 305, 325, 440, 488, 500, 520, 550, 572, 610, 650, 671, 715, 793, 1000, 1100, 1144, 1220, 1300, 1342, 1375, 1430, 1525, 1586, 1625, 2200, 2440, 2600, 2684, 2750, 2860, 3050, 3172, 3250, 3355, 3575, 3965, 5368, 5500, 5720, 6100, 6344, 6500, 6710, 7150, 7625, 7930, 8723, 11000, 12200, 13000, 13420, 14300, 15250, 15860, 16775, 17446, 17875, 19825, 26840, 28600, 30500, 31720, 33550, 34892, 35750, 39650, 43615, 61000, 67100, 69784, 71500, 79300, 83875, 87230, 99125, 134200, 143000, 158600, 167750, 174460, 198250, 218075, 335500, 348920, 396500, 436150, 671000, 793000, 872300, 1090375, 1744600, 2180750, 4361500, 8723000]

約数ペア:

[(1, 8723000), (2, 4361500), (4, 2180750), (5, 1744600), (8, 1090375), (10, 872300), (11, 793000), (13, 671000), (20, 436150), (22, 396500), (25, 348920), (26, 335500), (40, 218075), (44, 198250), (50, 174460), (52, 167750), (55, 158600), (61, 143000), (65, 134200), (88, 99125), (100, 87230), (104, 83875), (110, 79300), (122, 71500), (125, 69784), (130, 67100), (143, 61000), (200, 43615), (220, 39650), (244, 35750), (250, 34892), (260, 33550), (275, 31720), (286, 30500), (305, 28600), (325, 26840), (440, 19825), (488, 17875), (500, 17446), (520, 16775), (550, 15860), (572, 15250), (610, 14300), (650, 13420), (671, 13000), (715, 12200), (793, 11000), (1000, 8723), (1100, 7930), (1144, 7625), (1220, 7150), (1300, 6710), (1342, 6500), (1375, 6344), (1430, 6100), (1525, 5720), (1586, 5500), (1625, 5368), (2200, 3965), (2440, 3575), (2600, 3355), (2684, 3250), (2750, 3172), (2860, 3050)]