79891420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:659

約数の個数: 96

約数和(自身を含む): 205083648

約数和(自身を除く): 125192228

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 43, 46, 70, 86, 92, 115, 140, 161, 172, 215, 230, 301, 322, 430, 460, 577, 602, 644, 805, 860, 989, 1154, 1204, 1505, 1610, 1978, 2308, 2885, 3010, 3220, 3956, 4039, 4945, 5770, 6020, 6923, 8078, 9890, 11540, 13271, 13846, 16156, 19780, 20195, 24811, 26542, 27692, 34615, 40390, 49622, 53084, 66355, 69230, 80780, 92897, 99244, 124055, 132710, 138460, 173677, 185794, 248110, 265420, 347354, 371588, 464485, 496220, 570653, 694708, 868385, 928970, 1141306, 1736770, 1857940, 2282612, 2853265, 3473540, 3994571, 5706530, 7989142, 11413060, 15978284, 19972855, 39945710, 79891420]

約数ペア:

[(1, 79891420), (2, 39945710), (4, 19972855), (5, 15978284), (7, 11413060), (10, 7989142), (14, 5706530), (20, 3994571), (23, 3473540), (28, 2853265), (35, 2282612), (43, 1857940), (46, 1736770), (70, 1141306), (86, 928970), (92, 868385), (115, 694708), (140, 570653), (161, 496220), (172, 464485), (215, 371588), (230, 347354), (301, 265420), (322, 248110), (430, 185794), (460, 173677), (577, 138460), (602, 132710), (644, 124055), (805, 99244), (860, 92897), (989, 80780), (1154, 69230), (1204, 66355), (1505, 53084), (1610, 49622), (1978, 40390), (2308, 34615), (2885, 27692), (3010, 26542), (3220, 24811), (3956, 20195), (4039, 19780), (4945, 16156), (5770, 13846), (6020, 13271), (6923, 11540), (8078, 9890)]