28713750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:88

約数の個数: 160

約数和(自身を含む): 83973120

約数和(自身を除く): 55259370

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 25, 26, 30, 31, 38, 39, 50, 57, 62, 65, 75, 78, 93, 95, 114, 125, 130, 150, 155, 186, 190, 195, 247, 250, 285, 310, 325, 375, 390, 403, 465, 475, 494, 570, 589, 625, 650, 741, 750, 775, 806, 930, 950, 975, 1178, 1209, 1235, 1250, 1425, 1482, 1550, 1625, 1767, 1875, 1950, 2015, 2325, 2375, 2418, 2470, 2850, 2945, 3250, 3534, 3705, 3750, 3875, 4030, 4650, 4750, 4875, 5890, 6045, 6175, 7125, 7410, 7657, 7750, 8125, 8835, 9750, 10075, 11625, 11875, 12090, 12350, 14250, 14725, 15314, 16250, 17670, 18525, 19375, 20150, 22971, 23250, 23750, 24375, 29450, 30225, 30875, 35625, 37050, 38285, 38750, 44175, 45942, 48750, 50375, 58125, 60450, 61750, 71250, 73625, 76570, 88350, 92625, 100750, 114855, 116250, 147250, 151125, 154375, 185250, 191425, 220875, 229710, 251875, 302250, 308750, 368125, 382850, 441750, 463125, 503750, 574275, 736250, 755625, 926250, 957125, 1104375, 1148550, 1511250, 1914250, 2208750, 2871375, 4785625, 5742750, 9571250, 14356875, 28713750]

約数ペア:

[(1, 28713750), (2, 14356875), (3, 9571250), (5, 5742750), (6, 4785625), (10, 2871375), (13, 2208750), (15, 1914250), (19, 1511250), (25, 1148550), (26, 1104375), (30, 957125), (31, 926250), (38, 755625), (39, 736250), (50, 574275), (57, 503750), (62, 463125), (65, 441750), (75, 382850), (78, 368125), (93, 308750), (95, 302250), (114, 251875), (125, 229710), (130, 220875), (150, 191425), (155, 185250), (186, 154375), (190, 151125), (195, 147250), (247, 116250), (250, 114855), (285, 100750), (310, 92625), (325, 88350), (375, 76570), (390, 73625), (403, 71250), (465, 61750), (475, 60450), (494, 58125), (570, 50375), (589, 48750), (625, 45942), (650, 44175), (741, 38750), (750, 38285), (775, 37050), (806, 35625), (930, 30875), (950, 30225), (975, 29450), (1178, 24375), (1209, 23750), (1235, 23250), (1250, 22971), (1425, 20150), (1482, 19375), (1550, 18525), (1625, 17670), (1767, 16250), (1875, 15314), (1950, 14725), (2015, 14250), (2325, 12350), (2375, 12090), (2418, 11875), (2470, 11625), (2850, 10075), (2945, 9750), (3250, 8835), (3534, 8125), (3705, 7750), (3750, 7657), (3875, 7410), (4030, 7125), (4650, 6175), (4750, 6045), (4875, 5890)]