428596140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1997}}^1$

素因数の和:2096

約数の個数: 144

約数和(自身を含む): 1415830752

約数和(自身を除く): 987234612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 490, 511, 588, 730, 735, 876, 980, 1022, 1095, 1460, 1470, 1533, 1997, 2044, 2190, 2555, 2940, 3066, 3577, 3994, 4380, 5110, 5991, 6132, 7154, 7665, 7988, 9985, 10220, 10731, 11982, 13979, 14308, 15330, 17885, 19970, 21462, 23964, 27958, 29955, 30660, 35770, 39940, 41937, 42924, 53655, 55916, 59910, 69895, 71540, 83874, 97853, 107310, 119820, 139790, 145781, 167748, 195706, 209685, 214620, 279580, 291562, 293559, 391412, 419370, 437343, 489265, 583124, 587118, 728905, 838740, 874686, 978530, 1020467, 1174236, 1457810, 1467795, 1749372, 1957060, 2040934, 2186715, 2915620, 2935590, 3061401, 4081868, 4373430, 5102335, 5871180, 6122802, 7143269, 8746860, 10204670, 12245604, 14286538, 15307005, 20409340, 21429807, 28573076, 30614010, 35716345, 42859614, 61228020, 71432690, 85719228, 107149035, 142865380, 214298070, 428596140]

約数ペア:

[(1, 428596140), (2, 214298070), (3, 142865380), (4, 107149035), (5, 85719228), (6, 71432690), (7, 61228020), (10, 42859614), (12, 35716345), (14, 30614010), (15, 28573076), (20, 21429807), (21, 20409340), (28, 15307005), (30, 14286538), (35, 12245604), (42, 10204670), (49, 8746860), (60, 7143269), (70, 6122802), (73, 5871180), (84, 5102335), (98, 4373430), (105, 4081868), (140, 3061401), (146, 2935590), (147, 2915620), (196, 2186715), (210, 2040934), (219, 1957060), (245, 1749372), (292, 1467795), (294, 1457810), (365, 1174236), (420, 1020467), (438, 978530), (490, 874686), (511, 838740), (588, 728905), (730, 587118), (735, 583124), (876, 489265), (980, 437343), (1022, 419370), (1095, 391412), (1460, 293559), (1470, 291562), (1533, 279580), (1997, 214620), (2044, 209685), (2190, 195706), (2555, 167748), (2940, 145781), (3066, 139790), (3577, 119820), (3994, 107310), (4380, 97853), (5110, 83874), (5991, 71540), (6132, 69895), (7154, 59910), (7665, 55916), (7988, 53655), (9985, 42924), (10220, 41937), (10731, 39940), (11982, 35770), (13979, 30660), (14308, 29955), (15330, 27958), (17885, 23964), (19970, 21462)]