28459800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 97155240

約数和(自身を除く): 68695440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 97, 100, 120, 150, 163, 180, 194, 200, 225, 291, 300, 326, 360, 388, 450, 485, 489, 582, 600, 652, 776, 815, 873, 900, 970, 978, 1164, 1304, 1455, 1467, 1630, 1746, 1800, 1940, 1956, 2328, 2425, 2445, 2910, 2934, 3260, 3492, 3880, 3912, 4075, 4365, 4850, 4890, 5820, 5868, 6520, 6984, 7275, 7335, 8150, 8730, 9700, 9780, 11640, 11736, 12225, 14550, 14670, 15811, 16300, 17460, 19400, 19560, 21825, 24450, 29100, 29340, 31622, 32600, 34920, 36675, 43650, 47433, 48900, 58200, 58680, 63244, 73350, 79055, 87300, 94866, 97800, 126488, 142299, 146700, 158110, 174600, 189732, 237165, 284598, 293400, 316220, 379464, 395275, 474330, 569196, 632440, 711495, 790550, 948660, 1138392, 1185825, 1422990, 1581100, 1897320, 2371650, 2845980, 3162200, 3557475, 4743300, 5691960, 7114950, 9486600, 14229900, 28459800]

約数ペア:

[(1, 28459800), (2, 14229900), (3, 9486600), (4, 7114950), (5, 5691960), (6, 4743300), (8, 3557475), (9, 3162200), (10, 2845980), (12, 2371650), (15, 1897320), (18, 1581100), (20, 1422990), (24, 1185825), (25, 1138392), (30, 948660), (36, 790550), (40, 711495), (45, 632440), (50, 569196), (60, 474330), (72, 395275), (75, 379464), (90, 316220), (97, 293400), (100, 284598), (120, 237165), (150, 189732), (163, 174600), (180, 158110), (194, 146700), (200, 142299), (225, 126488), (291, 97800), (300, 94866), (326, 87300), (360, 79055), (388, 73350), (450, 63244), (485, 58680), (489, 58200), (582, 48900), (600, 47433), (652, 43650), (776, 36675), (815, 34920), (873, 32600), (900, 31622), (970, 29340), (978, 29100), (1164, 24450), (1304, 21825), (1455, 19560), (1467, 19400), (1630, 17460), (1746, 16300), (1800, 15811), (1940, 14670), (1956, 14550), (2328, 12225), (2425, 11736), (2445, 11640), (2910, 9780), (2934, 9700), (3260, 8730), (3492, 8150), (3880, 7335), (3912, 7275), (4075, 6984), (4365, 6520), (4850, 5868), (4890, 5820)]