1807660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:166

約数の個数: 48

約数和(自身を含む): 4112640

約数和(自身を除く): 2304980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 71, 76, 95, 134, 142, 190, 268, 284, 335, 355, 380, 670, 710, 1273, 1340, 1349, 1420, 2546, 2698, 4757, 5092, 5396, 6365, 6745, 9514, 12730, 13490, 19028, 23785, 25460, 26980, 47570, 90383, 95140, 180766, 361532, 451915, 903830, 1807660]

約数ペア:

[(1, 1807660), (2, 903830), (4, 451915), (5, 361532), (10, 180766), (19, 95140), (20, 90383), (38, 47570), (67, 26980), (71, 25460), (76, 23785), (95, 19028), (134, 13490), (142, 12730), (190, 9514), (268, 6745), (284, 6365), (335, 5396), (355, 5092), (380, 4757), (670, 2698), (710, 2546), (1273, 1420), (1340, 1349)]