22890400

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:135

約数の個数: 144

約数和(自身を含む): 62995968

約数和(自身を除く): 40105568

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 71, 80, 100, 104, 124, 130, 142, 155, 160, 200, 208, 248, 260, 284, 310, 325, 355, 400, 403, 416, 496, 520, 568, 620, 650, 710, 775, 800, 806, 923, 992, 1040, 1136, 1240, 1300, 1420, 1550, 1612, 1775, 1846, 2015, 2080, 2201, 2272, 2480, 2600, 2840, 3100, 3224, 3550, 3692, 4030, 4402, 4615, 4960, 5200, 5680, 6200, 6448, 7100, 7384, 8060, 8804, 9230, 10075, 10400, 11005, 11360, 12400, 12896, 14200, 14768, 16120, 17608, 18460, 20150, 22010, 23075, 24800, 28400, 28613, 29536, 32240, 35216, 36920, 40300, 44020, 46150, 55025, 56800, 57226, 64480, 70432, 73840, 80600, 88040, 92300, 110050, 114452, 143065, 147680, 161200, 176080, 184600, 220100, 228904, 286130, 322400, 352160, 369200, 440200, 457808, 572260, 715325, 738400, 880400, 915616, 1144520, 1430650, 1760800, 2289040, 2861300, 4578080, 5722600, 11445200, 22890400]

約数ペア:

[(1, 22890400), (2, 11445200), (4, 5722600), (5, 4578080), (8, 2861300), (10, 2289040), (13, 1760800), (16, 1430650), (20, 1144520), (25, 915616), (26, 880400), (31, 738400), (32, 715325), (40, 572260), (50, 457808), (52, 440200), (62, 369200), (65, 352160), (71, 322400), (80, 286130), (100, 228904), (104, 220100), (124, 184600), (130, 176080), (142, 161200), (155, 147680), (160, 143065), (200, 114452), (208, 110050), (248, 92300), (260, 88040), (284, 80600), (310, 73840), (325, 70432), (355, 64480), (400, 57226), (403, 56800), (416, 55025), (496, 46150), (520, 44020), (568, 40300), (620, 36920), (650, 35216), (710, 32240), (775, 29536), (800, 28613), (806, 28400), (923, 24800), (992, 23075), (1040, 22010), (1136, 20150), (1240, 18460), (1300, 17608), (1420, 16120), (1550, 14768), (1612, 14200), (1775, 12896), (1846, 12400), (2015, 11360), (2080, 11005), (2201, 10400), (2272, 10075), (2480, 9230), (2600, 8804), (2840, 8060), (3100, 7384), (3224, 7100), (3550, 6448), (3692, 6200), (4030, 5680), (4402, 5200), (4615, 4960)]