164263420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{863}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 357654528

約数和(自身を除く): 193391108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 307, 310, 614, 620, 863, 1228, 1535, 1726, 3070, 3452, 4315, 6140, 8630, 9517, 17260, 19034, 26753, 38068, 47585, 53506, 95170, 107012, 133765, 190340, 264941, 267530, 529882, 535060, 1059764, 1324705, 2649410, 5298820, 8213171, 16426342, 32852684, 41065855, 82131710, 164263420]

約数ペア:

[(1, 164263420), (2, 82131710), (4, 41065855), (5, 32852684), (10, 16426342), (20, 8213171), (31, 5298820), (62, 2649410), (124, 1324705), (155, 1059764), (307, 535060), (310, 529882), (614, 267530), (620, 264941), (863, 190340), (1228, 133765), (1535, 107012), (1726, 95170), (3070, 53506), (3452, 47585), (4315, 38068), (6140, 26753), (8630, 19034), (9517, 17260)]