398580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1$

素因数の和:105

約数の個数: 96

約数和(自身を含む): 1392384

約数和(自身を除く): 993804

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 73, 78, 84, 91, 105, 130, 140, 146, 156, 182, 195, 210, 219, 260, 273, 292, 364, 365, 390, 420, 438, 455, 511, 546, 730, 780, 876, 910, 949, 1022, 1092, 1095, 1365, 1460, 1533, 1820, 1898, 2044, 2190, 2555, 2730, 2847, 3066, 3796, 4380, 4745, 5110, 5460, 5694, 6132, 6643, 7665, 9490, 10220, 11388, 13286, 14235, 15330, 18980, 19929, 26572, 28470, 30660, 33215, 39858, 56940, 66430, 79716, 99645, 132860, 199290, 398580]

約数ペア:

[(1, 398580), (2, 199290), (3, 132860), (4, 99645), (5, 79716), (6, 66430), (7, 56940), (10, 39858), (12, 33215), (13, 30660), (14, 28470), (15, 26572), (20, 19929), (21, 18980), (26, 15330), (28, 14235), (30, 13286), (35, 11388), (39, 10220), (42, 9490), (52, 7665), (60, 6643), (65, 6132), (70, 5694), (73, 5460), (78, 5110), (84, 4745), (91, 4380), (105, 3796), (130, 3066), (140, 2847), (146, 2730), (156, 2555), (182, 2190), (195, 2044), (210, 1898), (219, 1820), (260, 1533), (273, 1460), (292, 1365), (364, 1095), (365, 1092), (390, 1022), (420, 949), (438, 910), (455, 876), (511, 780), (546, 730)]