29999320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 75075840

約数和(自身を除く): 45076520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 1861, 2015, 3224, 3722, 4030, 7444, 8060, 9305, 14888, 16120, 18610, 24193, 37220, 48386, 57691, 74440, 96772, 115382, 120965, 193544, 230764, 241930, 288455, 461528, 483860, 576910, 749983, 967720, 1153820, 1499966, 2307640, 2999932, 3749915, 5999864, 7499830, 14999660, 29999320]

約数ペア:

[(1, 29999320), (2, 14999660), (4, 7499830), (5, 5999864), (8, 3749915), (10, 2999932), (13, 2307640), (20, 1499966), (26, 1153820), (31, 967720), (40, 749983), (52, 576910), (62, 483860), (65, 461528), (104, 288455), (124, 241930), (130, 230764), (155, 193544), (248, 120965), (260, 115382), (310, 96772), (403, 74440), (520, 57691), (620, 48386), (806, 37220), (1240, 24193), (1612, 18610), (1861, 16120), (2015, 14888), (3224, 9305), (3722, 8060), (4030, 7444)]