210907970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1021}}^1$

素因数の和:1275

約数の個数: 64

約数和(自身を含む): 469760256

約数和(自身を除く): 258852286

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 227, 454, 455, 910, 1021, 1135, 1589, 2042, 2270, 2951, 3178, 5105, 5902, 7147, 7945, 10210, 13273, 14294, 14755, 15890, 20657, 26546, 29510, 35735, 41314, 66365, 71470, 92911, 103285, 132730, 185822, 206570, 231767, 463534, 464555, 929110, 1158835, 1622369, 2317670, 3012971, 3244738, 6025942, 8111845, 15064855, 16223690, 21090797, 30129710, 42181594, 105453985, 210907970]

約数ペア:

[(1, 210907970), (2, 105453985), (5, 42181594), (7, 30129710), (10, 21090797), (13, 16223690), (14, 15064855), (26, 8111845), (35, 6025942), (65, 3244738), (70, 3012971), (91, 2317670), (130, 1622369), (182, 1158835), (227, 929110), (454, 464555), (455, 463534), (910, 231767), (1021, 206570), (1135, 185822), (1589, 132730), (2042, 103285), (2270, 92911), (2951, 71470), (3178, 66365), (5105, 41314), (5902, 35735), (7147, 29510), (7945, 26546), (10210, 20657), (13273, 15890), (14294, 14755)]