2627980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 5987520

約数和(自身を除く): 3359540

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 46, 58, 92, 115, 116, 145, 197, 230, 290, 394, 460, 580, 667, 788, 985, 1334, 1970, 2668, 3335, 3940, 4531, 5713, 6670, 9062, 11426, 13340, 18124, 22655, 22852, 28565, 45310, 57130, 90620, 114260, 131399, 262798, 525596, 656995, 1313990, 2627980]

約数ペア:

[(1, 2627980), (2, 1313990), (4, 656995), (5, 525596), (10, 262798), (20, 131399), (23, 114260), (29, 90620), (46, 57130), (58, 45310), (92, 28565), (115, 22852), (116, 22655), (145, 18124), (197, 13340), (230, 11426), (290, 9062), (394, 6670), (460, 5713), (580, 4531), (667, 3940), (788, 3335), (985, 2668), (1334, 1970)]