28951000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:182

約数の個数: 128

約数和(自身を含む): 77837760

約数和(自身を除く): 48886760

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 131, 136, 170, 200, 221, 250, 260, 262, 325, 340, 425, 442, 500, 520, 524, 650, 655, 680, 850, 884, 1000, 1048, 1105, 1300, 1310, 1625, 1700, 1703, 1768, 2125, 2210, 2227, 2600, 2620, 3250, 3275, 3400, 3406, 4250, 4420, 4454, 5240, 5525, 6500, 6550, 6812, 8500, 8515, 8840, 8908, 11050, 11135, 13000, 13100, 13624, 16375, 17000, 17030, 17816, 22100, 22270, 26200, 27625, 28951, 32750, 34060, 42575, 44200, 44540, 55250, 55675, 57902, 65500, 68120, 85150, 89080, 110500, 111350, 115804, 131000, 144755, 170300, 212875, 221000, 222700, 231608, 278375, 289510, 340600, 425750, 445400, 556750, 579020, 723775, 851500, 1113500, 1158040, 1447550, 1703000, 2227000, 2895100, 3618875, 5790200, 7237750, 14475500, 28951000]

約数ペア:

[(1, 28951000), (2, 14475500), (4, 7237750), (5, 5790200), (8, 3618875), (10, 2895100), (13, 2227000), (17, 1703000), (20, 1447550), (25, 1158040), (26, 1113500), (34, 851500), (40, 723775), (50, 579020), (52, 556750), (65, 445400), (68, 425750), (85, 340600), (100, 289510), (104, 278375), (125, 231608), (130, 222700), (131, 221000), (136, 212875), (170, 170300), (200, 144755), (221, 131000), (250, 115804), (260, 111350), (262, 110500), (325, 89080), (340, 85150), (425, 68120), (442, 65500), (500, 57902), (520, 55675), (524, 55250), (650, 44540), (655, 44200), (680, 42575), (850, 34060), (884, 32750), (1000, 28951), (1048, 27625), (1105, 26200), (1300, 22270), (1310, 22100), (1625, 17816), (1700, 17030), (1703, 17000), (1768, 16375), (2125, 13624), (2210, 13100), (2227, 13000), (2600, 11135), (2620, 11050), (3250, 8908), (3275, 8840), (3400, 8515), (3406, 8500), (4250, 6812), (4420, 6550), (4454, 6500), (5240, 5525)]