278245500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:805

約数の個数: 192

約数和(自身を含む): 919726080

約数和(自身を除く): 641480580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 25, 26, 30, 38, 39, 50, 52, 57, 60, 65, 75, 76, 78, 95, 100, 114, 125, 130, 150, 156, 190, 195, 228, 247, 250, 260, 285, 300, 325, 375, 380, 390, 475, 494, 500, 570, 650, 741, 750, 751, 780, 950, 975, 988, 1140, 1235, 1300, 1425, 1482, 1500, 1502, 1625, 1900, 1950, 2253, 2375, 2470, 2850, 2964, 3004, 3250, 3705, 3755, 3900, 4506, 4750, 4875, 4940, 5700, 6175, 6500, 7125, 7410, 7510, 9012, 9500, 9750, 9763, 11265, 12350, 14250, 14269, 14820, 15020, 18525, 18775, 19500, 19526, 22530, 24700, 28500, 28538, 29289, 30875, 37050, 37550, 39052, 42807, 45060, 48815, 56325, 57076, 58578, 61750, 71345, 74100, 75100, 85614, 92625, 93875, 97630, 112650, 117156, 123500, 142690, 146445, 171228, 185250, 185497, 187750, 195260, 214035, 225300, 244075, 281625, 285380, 292890, 356725, 370500, 370994, 375500, 428070, 488150, 556491, 563250, 585780, 713450, 732225, 741988, 856140, 927485, 976300, 1070175, 1112982, 1126500, 1220375, 1426900, 1464450, 1783625, 1854970, 2140350, 2225964, 2440750, 2782455, 2928900, 3567250, 3661125, 3709940, 4280700, 4637425, 4881500, 5350875, 5564910, 7134500, 7322250, 9274850, 10701750, 11129820, 13912275, 14644500, 18549700, 21403500, 23187125, 27824550, 46374250, 55649100, 69561375, 92748500, 139122750, 278245500]

約数ペア:

[(1, 278245500), (2, 139122750), (3, 92748500), (4, 69561375), (5, 55649100), (6, 46374250), (10, 27824550), (12, 23187125), (13, 21403500), (15, 18549700), (19, 14644500), (20, 13912275), (25, 11129820), (26, 10701750), (30, 9274850), (38, 7322250), (39, 7134500), (50, 5564910), (52, 5350875), (57, 4881500), (60, 4637425), (65, 4280700), (75, 3709940), (76, 3661125), (78, 3567250), (95, 2928900), (100, 2782455), (114, 2440750), (125, 2225964), (130, 2140350), (150, 1854970), (156, 1783625), (190, 1464450), (195, 1426900), (228, 1220375), (247, 1126500), (250, 1112982), (260, 1070175), (285, 976300), (300, 927485), (325, 856140), (375, 741988), (380, 732225), (390, 713450), (475, 585780), (494, 563250), (500, 556491), (570, 488150), (650, 428070), (741, 375500), (750, 370994), (751, 370500), (780, 356725), (950, 292890), (975, 285380), (988, 281625), (1140, 244075), (1235, 225300), (1300, 214035), (1425, 195260), (1482, 187750), (1500, 185497), (1502, 185250), (1625, 171228), (1900, 146445), (1950, 142690), (2253, 123500), (2375, 117156), (2470, 112650), (2850, 97630), (2964, 93875), (3004, 92625), (3250, 85614), (3705, 75100), (3755, 74100), (3900, 71345), (4506, 61750), (4750, 58578), (4875, 57076), (4940, 56325), (5700, 48815), (6175, 45060), (6500, 42807), (7125, 39052), (7410, 37550), (7510, 37050), (9012, 30875), (9500, 29289), (9750, 28538), (9763, 28500), (11265, 24700), (12350, 22530), (14250, 19526), (14269, 19500), (14820, 18775), (15020, 18525)]