247427740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1307

約数の個数: 96

約数和(自身を含む): 626540544

約数和(自身を除く): 379112804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 47, 62, 70, 94, 124, 140, 155, 188, 217, 235, 310, 329, 434, 470, 620, 658, 868, 940, 1085, 1213, 1316, 1457, 1645, 2170, 2426, 2914, 3290, 4340, 4852, 5828, 6065, 6580, 7285, 8491, 10199, 12130, 14570, 16982, 20398, 24260, 29140, 33964, 37603, 40796, 42455, 50995, 57011, 75206, 84910, 101990, 114022, 150412, 169820, 188015, 203980, 228044, 263221, 285055, 376030, 399077, 526442, 570110, 752060, 798154, 1052884, 1140220, 1316105, 1596308, 1767341, 1995385, 2632210, 3534682, 3990770, 5264420, 7069364, 7981540, 8836705, 12371387, 17673410, 24742774, 35346820, 49485548, 61856935, 123713870, 247427740]

約数ペア:

[(1, 247427740), (2, 123713870), (4, 61856935), (5, 49485548), (7, 35346820), (10, 24742774), (14, 17673410), (20, 12371387), (28, 8836705), (31, 7981540), (35, 7069364), (47, 5264420), (62, 3990770), (70, 3534682), (94, 2632210), (124, 1995385), (140, 1767341), (155, 1596308), (188, 1316105), (217, 1140220), (235, 1052884), (310, 798154), (329, 752060), (434, 570110), (470, 526442), (620, 399077), (658, 376030), (868, 285055), (940, 263221), (1085, 228044), (1213, 203980), (1316, 188015), (1457, 169820), (1645, 150412), (2170, 114022), (2426, 101990), (2914, 84910), (3290, 75206), (4340, 57011), (4852, 50995), (5828, 42455), (6065, 40796), (6580, 37603), (7285, 33964), (8491, 29140), (10199, 24260), (12130, 20398), (14570, 16982)]