1620882430

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73643}}^1$

素因数の和:73752

約数の個数: 32

約数和(自身を含む): 3054163968

約数和(自身を除く): 1433281538

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 11005, 22010, 73643, 147286, 368215, 736430, 2282933, 4565866, 5228653, 10457306, 11414665, 22829330, 26143265, 52286530, 162088243, 324176486, 810441215, 1620882430]

約数ペア:

[(1, 1620882430), (2, 810441215), (5, 324176486), (10, 162088243), (31, 52286530), (62, 26143265), (71, 22829330), (142, 11414665), (155, 10457306), (310, 5228653), (355, 4565866), (710, 2282933), (2201, 736430), (4402, 368215), (11005, 147286), (22010, 73643)]