2013140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2631724

約数列:

[1, 2, 4, 5, 10, 17, 20, 31, 34, 62, 68, 85, 124, 155, 170, 191, 310, 340, 382, 527, 620, 764, 955, 1054, 1910, 2108, 2635, 3247, 3820, 5270, 5921, 6494, 10540, 11842, 12988, 16235, 23684, 29605, 32470, 59210, 64940, 100657, 118420, 201314, 402628, 503285, 1006570, 2013140]

約数ペア:

[(1, 2013140), (2, 1006570), (4, 503285), (5, 402628), (10, 201314), (17, 118420), (20, 100657), (31, 64940), (34, 59210), (62, 32470), (68, 29605), (85, 23684), (124, 16235), (155, 12988), (170, 11842), (191, 10540), (310, 6494), (340, 5921), (382, 5270), (527, 3820), (620, 3247), (764, 2635), (955, 2108), (1054, 1910)]