3557890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:211

約数の個数: 48

約数和(自身を含む): 7645752

約数和(自身を除く): 4087862

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 53, 70, 98, 106, 137, 245, 265, 274, 371, 490, 530, 685, 742, 959, 1370, 1855, 1918, 2597, 3710, 4795, 5194, 6713, 7261, 9590, 12985, 13426, 14522, 25970, 33565, 36305, 50827, 67130, 72610, 101654, 254135, 355789, 508270, 711578, 1778945, 3557890]

約数ペア:

[(1, 3557890), (2, 1778945), (5, 711578), (7, 508270), (10, 355789), (14, 254135), (35, 101654), (49, 72610), (53, 67130), (70, 50827), (98, 36305), (106, 33565), (137, 25970), (245, 14522), (265, 13426), (274, 12985), (371, 9590), (490, 7261), (530, 6713), (685, 5194), (742, 4795), (959, 3710), (1370, 2597), (1855, 1918)]