51203100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 168183680

約数和(自身を除く): 116980580

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, 130, 150, 156, 190, 195, 228, 247, 260, 285, 300, 325, 380, 390, 475, 494, 570, 650, 691, 741, 780, 950, 975, 988, 1140, 1235, 1300, 1382, 1425, 1482, 1900, 1950, 2073, 2470, 2764, 2850, 2964, 3455, 3705, 3900, 4146, 4940, 5700, 6175, 6910, 7410, 8292, 8983, 10365, 12350, 13129, 13820, 14820, 17275, 17966, 18525, 20730, 24700, 26258, 26949, 34550, 35932, 37050, 39387, 41460, 44915, 51825, 52516, 53898, 65645, 69100, 74100, 78774, 89830, 103650, 107796, 131290, 134745, 157548, 170677, 179660, 196935, 207300, 224575, 262580, 269490, 328225, 341354, 393870, 449150, 512031, 538980, 656450, 673725, 682708, 787740, 853385, 898300, 984675, 1024062, 1312900, 1347450, 1706770, 1969350, 2048124, 2560155, 2694900, 3413540, 3938700, 4266925, 5120310, 8533850, 10240620, 12800775, 17067700, 25601550, 51203100]

約数ペア:

[(1, 51203100), (2, 25601550), (3, 17067700), (4, 12800775), (5, 10240620), (6, 8533850), (10, 5120310), (12, 4266925), (13, 3938700), (15, 3413540), (19, 2694900), (20, 2560155), (25, 2048124), (26, 1969350), (30, 1706770), (38, 1347450), (39, 1312900), (50, 1024062), (52, 984675), (57, 898300), (60, 853385), (65, 787740), (75, 682708), (76, 673725), (78, 656450), (95, 538980), (100, 512031), (114, 449150), (130, 393870), (150, 341354), (156, 328225), (190, 269490), (195, 262580), (228, 224575), (247, 207300), (260, 196935), (285, 179660), (300, 170677), (325, 157548), (380, 134745), (390, 131290), (475, 107796), (494, 103650), (570, 89830), (650, 78774), (691, 74100), (741, 69100), (780, 65645), (950, 53898), (975, 52516), (988, 51825), (1140, 44915), (1235, 41460), (1300, 39387), (1382, 37050), (1425, 35932), (1482, 34550), (1900, 26949), (1950, 26258), (2073, 24700), (2470, 20730), (2764, 18525), (2850, 17966), (2964, 17275), (3455, 14820), (3705, 13820), (3900, 13129), (4146, 12350), (4940, 10365), (5700, 8983), (6175, 8292), (6910, 7410)]