28693600

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 78744960

約数和(自身を除く): 50051360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 31, 32, 40, 50, 52, 62, 65, 80, 89, 100, 104, 124, 130, 155, 160, 178, 200, 208, 248, 260, 310, 325, 356, 400, 403, 416, 445, 496, 520, 620, 650, 712, 775, 800, 806, 890, 992, 1040, 1157, 1240, 1300, 1424, 1550, 1612, 1780, 2015, 2080, 2225, 2314, 2480, 2600, 2759, 2848, 3100, 3224, 3560, 4030, 4450, 4628, 4960, 5200, 5518, 5785, 6200, 6448, 7120, 8060, 8900, 9256, 10075, 10400, 11036, 11570, 12400, 12896, 13795, 14240, 16120, 17800, 18512, 20150, 22072, 23140, 24800, 27590, 28925, 32240, 35600, 35867, 37024, 40300, 44144, 46280, 55180, 57850, 64480, 68975, 71200, 71734, 80600, 88288, 92560, 110360, 115700, 137950, 143468, 161200, 179335, 185120, 220720, 231400, 275900, 286936, 322400, 358670, 441440, 462800, 551800, 573872, 717340, 896675, 925600, 1103600, 1147744, 1434680, 1793350, 2207200, 2869360, 3586700, 5738720, 7173400, 14346800, 28693600]

約数ペア:

[(1, 28693600), (2, 14346800), (4, 7173400), (5, 5738720), (8, 3586700), (10, 2869360), (13, 2207200), (16, 1793350), (20, 1434680), (25, 1147744), (26, 1103600), (31, 925600), (32, 896675), (40, 717340), (50, 573872), (52, 551800), (62, 462800), (65, 441440), (80, 358670), (89, 322400), (100, 286936), (104, 275900), (124, 231400), (130, 220720), (155, 185120), (160, 179335), (178, 161200), (200, 143468), (208, 137950), (248, 115700), (260, 110360), (310, 92560), (325, 88288), (356, 80600), (400, 71734), (403, 71200), (416, 68975), (445, 64480), (496, 57850), (520, 55180), (620, 46280), (650, 44144), (712, 40300), (775, 37024), (800, 35867), (806, 35600), (890, 32240), (992, 28925), (1040, 27590), (1157, 24800), (1240, 23140), (1300, 22072), (1424, 20150), (1550, 18512), (1612, 17800), (1780, 16120), (2015, 14240), (2080, 13795), (2225, 12896), (2314, 12400), (2480, 11570), (2600, 11036), (2759, 10400), (2848, 10075), (3100, 9256), (3224, 8900), (3560, 8060), (4030, 7120), (4450, 6448), (4628, 6200), (4960, 5785), (5200, 5518)]