28390050

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:265

約数の個数: 144

約数和(自身を含む): 86119488

約数和(自身を除く): 57729438

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 25, 26, 30, 39, 45, 46, 50, 65, 69, 75, 78, 90, 115, 117, 130, 138, 150, 195, 207, 211, 225, 230, 234, 299, 325, 345, 390, 414, 422, 450, 575, 585, 598, 633, 650, 690, 897, 975, 1035, 1055, 1150, 1170, 1266, 1495, 1725, 1794, 1899, 1950, 2070, 2110, 2691, 2743, 2925, 2990, 3165, 3450, 3798, 4485, 4853, 5175, 5275, 5382, 5486, 5850, 6330, 7475, 8229, 8970, 9495, 9706, 10350, 10550, 13455, 13715, 14559, 14950, 15825, 16458, 18990, 22425, 24265, 24687, 26910, 27430, 29118, 31650, 41145, 43677, 44850, 47475, 48530, 49374, 63089, 67275, 68575, 72795, 82290, 87354, 94950, 121325, 123435, 126178, 134550, 137150, 145590, 189267, 205725, 218385, 242650, 246870, 315445, 363975, 378534, 411450, 436770, 567801, 617175, 630890, 727950, 946335, 1091925, 1135602, 1234350, 1577225, 1892670, 2183850, 2839005, 3154450, 4731675, 5678010, 9463350, 14195025, 28390050]

約数ペア:

[(1, 28390050), (2, 14195025), (3, 9463350), (5, 5678010), (6, 4731675), (9, 3154450), (10, 2839005), (13, 2183850), (15, 1892670), (18, 1577225), (23, 1234350), (25, 1135602), (26, 1091925), (30, 946335), (39, 727950), (45, 630890), (46, 617175), (50, 567801), (65, 436770), (69, 411450), (75, 378534), (78, 363975), (90, 315445), (115, 246870), (117, 242650), (130, 218385), (138, 205725), (150, 189267), (195, 145590), (207, 137150), (211, 134550), (225, 126178), (230, 123435), (234, 121325), (299, 94950), (325, 87354), (345, 82290), (390, 72795), (414, 68575), (422, 67275), (450, 63089), (575, 49374), (585, 48530), (598, 47475), (633, 44850), (650, 43677), (690, 41145), (897, 31650), (975, 29118), (1035, 27430), (1055, 26910), (1150, 24687), (1170, 24265), (1266, 22425), (1495, 18990), (1725, 16458), (1794, 15825), (1899, 14950), (1950, 14559), (2070, 13715), (2110, 13455), (2691, 10550), (2743, 10350), (2925, 9706), (2990, 9495), (3165, 8970), (3450, 8229), (3798, 7475), (4485, 6330), (4853, 5850), (5175, 5486), (5275, 5382)]