149690320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4643}}^1$

素因数の和:4700

約数の個数: 80

約数和(自身を含む): 386975232

約数和(自身を除く): 237284912

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 248, 260, 310, 403, 496, 520, 620, 806, 1040, 1240, 1612, 2015, 2480, 3224, 4030, 4643, 6448, 8060, 9286, 16120, 18572, 23215, 32240, 37144, 46430, 60359, 74288, 92860, 120718, 143933, 185720, 241436, 287866, 301795, 371440, 482872, 575732, 603590, 719665, 965744, 1151464, 1207180, 1439330, 1871129, 2302928, 2414360, 2878660, 3742258, 4828720, 5757320, 7484516, 9355645, 11514640, 14969032, 18711290, 29938064, 37422580, 74845160, 149690320]

約数ペア:

[(1, 149690320), (2, 74845160), (4, 37422580), (5, 29938064), (8, 18711290), (10, 14969032), (13, 11514640), (16, 9355645), (20, 7484516), (26, 5757320), (31, 4828720), (40, 3742258), (52, 2878660), (62, 2414360), (65, 2302928), (80, 1871129), (104, 1439330), (124, 1207180), (130, 1151464), (155, 965744), (208, 719665), (248, 603590), (260, 575732), (310, 482872), (403, 371440), (496, 301795), (520, 287866), (620, 241436), (806, 185720), (1040, 143933), (1240, 120718), (1612, 92860), (2015, 74288), (2480, 60359), (3224, 46430), (4030, 37144), (4643, 32240), (6448, 23215), (8060, 18572), (9286, 16120)]