349958140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{10459}}^1$

素因数の和:10714

約数の個数: 48

約数和(自身を含む): 843494400

約数和(自身を除く): 493536260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 239, 478, 956, 1195, 1673, 2390, 3346, 4780, 6692, 8365, 10459, 16730, 20918, 33460, 41836, 52295, 73213, 104590, 146426, 209180, 292852, 366065, 732130, 1464260, 2499701, 4999402, 9998804, 12498505, 17497907, 24997010, 34995814, 49994020, 69991628, 87489535, 174979070, 349958140]

約数ペア:

[(1, 349958140), (2, 174979070), (4, 87489535), (5, 69991628), (7, 49994020), (10, 34995814), (14, 24997010), (20, 17497907), (28, 12498505), (35, 9998804), (70, 4999402), (140, 2499701), (239, 1464260), (478, 732130), (956, 366065), (1195, 292852), (1673, 209180), (2390, 146426), (3346, 104590), (4780, 73213), (6692, 52295), (8365, 41836), (10459, 33460), (16730, 20918)]