90251710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 177811200

約数和(自身を除く): 87559490

約数列:

[1, 2, 5, 10, 19, 38, 59, 83, 95, 97, 118, 166, 190, 194, 295, 415, 485, 590, 830, 970, 1121, 1577, 1843, 2242, 3154, 3686, 4897, 5605, 5723, 7885, 8051, 9215, 9794, 11210, 11446, 15770, 16102, 18430, 24485, 28615, 40255, 48970, 57230, 80510, 93043, 108737, 152969, 186086, 217474, 305938, 465215, 475009, 543685, 764845, 930430, 950018, 1087370, 1529690, 2375045, 4750090, 9025171, 18050342, 45125855, 90251710]

約数ペア:

[(1, 90251710), (2, 45125855), (5, 18050342), (10, 9025171), (19, 4750090), (38, 2375045), (59, 1529690), (83, 1087370), (95, 950018), (97, 930430), (118, 764845), (166, 543685), (190, 475009), (194, 465215), (295, 305938), (415, 217474), (485, 186086), (590, 152969), (830, 108737), (970, 93043), (1121, 80510), (1577, 57230), (1843, 48970), (2242, 40255), (3154, 28615), (3686, 24485), (4897, 18430), (5605, 16102), (5723, 15770), (7885, 11446), (8051, 11210), (9215, 9794)]