291217720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{10211}}^1$

素因数の和:10276

約数の個数: 64

約数和(自身を含む): 705853440

約数和(自身を除く): 414635720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1240, 1426, 2852, 3565, 5704, 7130, 10211, 14260, 20422, 28520, 40844, 51055, 81688, 102110, 204220, 234853, 316541, 408440, 469706, 633082, 939412, 1174265, 1266164, 1582705, 1878824, 2348530, 2532328, 3165410, 4697060, 6330820, 7280443, 9394120, 12661640, 14560886, 29121772, 36402215, 58243544, 72804430, 145608860, 291217720]

約数ペア:

[(1, 291217720), (2, 145608860), (4, 72804430), (5, 58243544), (8, 36402215), (10, 29121772), (20, 14560886), (23, 12661640), (31, 9394120), (40, 7280443), (46, 6330820), (62, 4697060), (92, 3165410), (115, 2532328), (124, 2348530), (155, 1878824), (184, 1582705), (230, 1266164), (248, 1174265), (310, 939412), (460, 633082), (620, 469706), (713, 408440), (920, 316541), (1240, 234853), (1426, 204220), (2852, 102110), (3565, 81688), (5704, 51055), (7130, 40844), (10211, 28520), (14260, 20422)]