391957040

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:4014

約数の個数: 80

約数和(自身を含む): 964893600

約数和(自身を除く): 572936560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 43, 58, 80, 86, 116, 145, 172, 215, 232, 290, 344, 430, 464, 580, 688, 860, 1160, 1247, 1720, 2320, 2494, 3440, 3929, 4988, 6235, 7858, 9976, 12470, 15716, 19645, 19952, 24940, 31432, 39290, 49880, 62864, 78580, 99760, 113941, 157160, 168947, 227882, 314320, 337894, 455764, 569705, 675788, 844735, 911528, 1139410, 1351576, 1689470, 1823056, 2278820, 2703152, 3378940, 4557640, 4899463, 6757880, 9115280, 9798926, 13515760, 19597852, 24497315, 39195704, 48994630, 78391408, 97989260, 195978520, 391957040]

約数ペア:

[(1, 391957040), (2, 195978520), (4, 97989260), (5, 78391408), (8, 48994630), (10, 39195704), (16, 24497315), (20, 19597852), (29, 13515760), (40, 9798926), (43, 9115280), (58, 6757880), (80, 4899463), (86, 4557640), (116, 3378940), (145, 2703152), (172, 2278820), (215, 1823056), (232, 1689470), (290, 1351576), (344, 1139410), (430, 911528), (464, 844735), (580, 675788), (688, 569705), (860, 455764), (1160, 337894), (1247, 314320), (1720, 227882), (2320, 168947), (2494, 157160), (3440, 113941), (3929, 99760), (4988, 78580), (6235, 62864), (7858, 49880), (9976, 39290), (12470, 31432), (15716, 24940), (19645, 19952)]