3856365.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 214050816

約数和(自身を除く): 124205996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 71, 124, 130, 142, 155, 157, 260, 284, 310, 314, 355, 403, 620, 628, 710, 785, 806, 923, 1420, 1570, 1612, 1846, 2015, 2041, 2201, 3140, 3692, 4030, 4082, 4402, 4615, 4867, 8060, 8164, 8804, 9230, 9734, 10205, 11005, 11147, 18460, 19468, 20410, 22010, 22294, 24335, 28613, 40820, 44020, 44588, 48670, 55735, 57226, 63271, 97340, 111470, 114452, 126542, 143065, 144911, 222940, 253084, 286130, 289822, 316355, 345557, 572260, 579644, 632710, 691114, 724555, 1265420, 1382228, 1449110, 1727785, 2898220, 3455570, 4492241, 6911140, 8984482, 17968964, 22461205, 44922410, 89844820]

約数ペア:

[(1, 89844820), (2, 44922410), (4, 22461205), (5, 17968964), (10, 8984482), (13, 6911140), (20, 4492241), (26, 3455570), (31, 2898220), (52, 1727785), (62, 1449110), (65, 1382228), (71, 1265420), (124, 724555), (130, 691114), (142, 632710), (155, 579644), (157, 572260), (260, 345557), (284, 316355), (310, 289822), (314, 286130), (355, 253084), (403, 222940), (620, 144911), (628, 143065), (710, 126542), (785, 114452), (806, 111470), (923, 97340), (1420, 63271), (1570, 57226), (1612, 55735), (1846, 48670), (2015, 44588), (2041, 44020), (2201, 40820), (3140, 28613), (3692, 24335), (4030, 22294), (4082, 22010), (4402, 20410), (4615, 19468), (4867, 18460), (8060, 11147), (8164, 11005), (8804, 10205), (9230, 9734)]