28474800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{389}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 92947920

約数和(自身を除く): 64473120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 61, 75, 80, 100, 120, 122, 150, 183, 200, 240, 244, 300, 305, 366, 389, 400, 488, 600, 610, 732, 778, 915, 976, 1167, 1200, 1220, 1464, 1525, 1556, 1830, 1945, 2334, 2440, 2928, 3050, 3112, 3660, 3890, 4575, 4668, 4880, 5835, 6100, 6224, 7320, 7780, 9150, 9336, 9725, 11670, 12200, 14640, 15560, 18300, 18672, 19450, 23340, 23729, 24400, 29175, 31120, 36600, 38900, 46680, 47458, 58350, 71187, 73200, 77800, 93360, 94916, 116700, 118645, 142374, 155600, 189832, 233400, 237290, 284748, 355935, 379664, 466800, 474580, 569496, 593225, 711870, 949160, 1138992, 1186450, 1423740, 1779675, 1898320, 2372900, 2847480, 3559350, 4745800, 5694960, 7118700, 9491600, 14237400, 28474800]

約数ペア:

[(1, 28474800), (2, 14237400), (3, 9491600), (4, 7118700), (5, 5694960), (6, 4745800), (8, 3559350), (10, 2847480), (12, 2372900), (15, 1898320), (16, 1779675), (20, 1423740), (24, 1186450), (25, 1138992), (30, 949160), (40, 711870), (48, 593225), (50, 569496), (60, 474580), (61, 466800), (75, 379664), (80, 355935), (100, 284748), (120, 237290), (122, 233400), (150, 189832), (183, 155600), (200, 142374), (240, 118645), (244, 116700), (300, 94916), (305, 93360), (366, 77800), (389, 73200), (400, 71187), (488, 58350), (600, 47458), (610, 46680), (732, 38900), (778, 36600), (915, 31120), (976, 29175), (1167, 24400), (1200, 23729), (1220, 23340), (1464, 19450), (1525, 18672), (1556, 18300), (1830, 15560), (1945, 14640), (2334, 12200), (2440, 11670), (2928, 9725), (3050, 9336), (3112, 9150), (3660, 7780), (3890, 7320), (4575, 6224), (4668, 6100), (4880, 5835)]