290697440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:856

約数の個数: 96

約数和(自身を含む): 752976000

約数和(自身を除く): 462278560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 331, 352, 440, 499, 662, 880, 998, 1324, 1655, 1760, 1996, 2495, 2648, 3310, 3641, 3992, 4990, 5296, 5489, 6620, 7282, 7984, 9980, 10592, 10978, 13240, 14564, 15968, 18205, 19960, 21956, 26480, 27445, 29128, 36410, 39920, 43912, 52960, 54890, 58256, 72820, 79840, 87824, 109780, 116512, 145640, 165169, 175648, 219560, 291280, 330338, 439120, 582560, 660676, 825845, 878240, 1321352, 1651690, 1816859, 2642704, 3303380, 3633718, 5285408, 6606760, 7267436, 9084295, 13213520, 14534872, 18168590, 26427040, 29069744, 36337180, 58139488, 72674360, 145348720, 290697440]

約数ペア:

[(1, 290697440), (2, 145348720), (4, 72674360), (5, 58139488), (8, 36337180), (10, 29069744), (11, 26427040), (16, 18168590), (20, 14534872), (22, 13213520), (32, 9084295), (40, 7267436), (44, 6606760), (55, 5285408), (80, 3633718), (88, 3303380), (110, 2642704), (160, 1816859), (176, 1651690), (220, 1321352), (331, 878240), (352, 825845), (440, 660676), (499, 582560), (662, 439120), (880, 330338), (998, 291280), (1324, 219560), (1655, 175648), (1760, 165169), (1996, 145640), (2495, 116512), (2648, 109780), (3310, 87824), (3641, 79840), (3992, 72820), (4990, 58256), (5296, 54890), (5489, 52960), (6620, 43912), (7282, 39920), (7984, 36410), (9980, 29128), (10592, 27445), (10978, 26480), (13240, 21956), (14564, 19960), (15968, 18205)]