1898791340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{829}}^1\times {\mathrm{1613}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 4051010880

約数和(自身を除く): 2152219540

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 829, 1420, 1613, 1658, 3226, 3316, 4145, 6452, 8065, 8290, 16130, 16580, 32260, 58859, 114523, 117718, 229046, 235436, 294295, 458092, 572615, 588590, 1145230, 1177180, 1337177, 2290460, 2674354, 5348708, 6685885, 13371770, 26743540, 94939567, 189879134, 379758268, 474697835, 949395670, 1898791340]

約数ペア:

[(1, 1898791340), (2, 949395670), (4, 474697835), (5, 379758268), (10, 189879134), (20, 94939567), (71, 26743540), (142, 13371770), (284, 6685885), (355, 5348708), (710, 2674354), (829, 2290460), (1420, 1337177), (1613, 1177180), (1658, 1145230), (3226, 588590), (3316, 572615), (4145, 458092), (6452, 294295), (8065, 235436), (8290, 229046), (16130, 117718), (16580, 114523), (32260, 58859)]