290272840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1703

約数の個数: 128

約数和(自身を含む): 792529920

約数和(自身を除く): 502257080

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 88, 104, 110, 124, 130, 143, 155, 220, 248, 260, 286, 310, 341, 403, 440, 520, 572, 620, 682, 715, 806, 1144, 1240, 1364, 1430, 1612, 1637, 1705, 2015, 2728, 2860, 3224, 3274, 3410, 4030, 4433, 5720, 6548, 6820, 8060, 8185, 8866, 13096, 13640, 16120, 16370, 17732, 18007, 21281, 22165, 32740, 35464, 36014, 42562, 44330, 50747, 65480, 72028, 85124, 88660, 90035, 101494, 106405, 144056, 170248, 177320, 180070, 202988, 212810, 234091, 253735, 360140, 405976, 425620, 468182, 507470, 558217, 659711, 720280, 851240, 936364, 1014940, 1116434, 1170455, 1319422, 1872728, 2029880, 2232868, 2340910, 2638844, 2791085, 3298555, 4465736, 4681820, 5277688, 5582170, 6597110, 7256821, 9363640, 11164340, 13194220, 14513642, 22328680, 26388440, 29027284, 36284105, 58054568, 72568210, 145136420, 290272840]

約数ペア:

[(1, 290272840), (2, 145136420), (4, 72568210), (5, 58054568), (8, 36284105), (10, 29027284), (11, 26388440), (13, 22328680), (20, 14513642), (22, 13194220), (26, 11164340), (31, 9363640), (40, 7256821), (44, 6597110), (52, 5582170), (55, 5277688), (62, 4681820), (65, 4465736), (88, 3298555), (104, 2791085), (110, 2638844), (124, 2340910), (130, 2232868), (143, 2029880), (155, 1872728), (220, 1319422), (248, 1170455), (260, 1116434), (286, 1014940), (310, 936364), (341, 851240), (403, 720280), (440, 659711), (520, 558217), (572, 507470), (620, 468182), (682, 425620), (715, 405976), (806, 360140), (1144, 253735), (1240, 234091), (1364, 212810), (1430, 202988), (1612, 180070), (1637, 177320), (1705, 170248), (2015, 144056), (2728, 106405), (2860, 101494), (3224, 90035), (3274, 88660), (3410, 85124), (4030, 72028), (4433, 65480), (5720, 50747), (6548, 44330), (6820, 42562), (8060, 36014), (8185, 35464), (8866, 32740), (13096, 22165), (13640, 21281), (16120, 18007), (16370, 17732)]