8857420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:215

約数の個数: 96

約数和(自身を含む): 23143680

約数和(自身を除く): 14286260

約数列:

[1, 2, 4, 5, 10, 11, 13, 19, 20, 22, 26, 38, 44, 52, 55, 65, 76, 95, 110, 130, 143, 163, 190, 209, 220, 247, 260, 286, 326, 380, 418, 494, 572, 652, 715, 815, 836, 988, 1045, 1235, 1430, 1630, 1793, 2090, 2119, 2470, 2717, 2860, 3097, 3260, 3586, 4180, 4238, 4940, 5434, 6194, 7172, 8476, 8965, 10595, 10868, 12388, 13585, 15485, 17930, 21190, 23309, 27170, 30970, 34067, 35860, 40261, 42380, 46618, 54340, 61940, 68134, 80522, 93236, 116545, 136268, 161044, 170335, 201305, 233090, 340670, 402610, 442871, 466180, 681340, 805220, 885742, 1771484, 2214355, 4428710, 8857420]

約数ペア:

[(1, 8857420), (2, 4428710), (4, 2214355), (5, 1771484), (10, 885742), (11, 805220), (13, 681340), (19, 466180), (20, 442871), (22, 402610), (26, 340670), (38, 233090), (44, 201305), (52, 170335), (55, 161044), (65, 136268), (76, 116545), (95, 93236), (110, 80522), (130, 68134), (143, 61940), (163, 54340), (190, 46618), (209, 42380), (220, 40261), (247, 35860), (260, 34067), (286, 30970), (326, 27170), (380, 23309), (418, 21190), (494, 17930), (572, 15485), (652, 13585), (715, 12388), (815, 10868), (836, 10595), (988, 8965), (1045, 8476), (1235, 7172), (1430, 6194), (1630, 5434), (1793, 4940), (2090, 4238), (2119, 4180), (2470, 3586), (2717, 3260), (2860, 3097)]