248640580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 555194304

約数和(自身を除く): 306553724

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 71, 92, 115, 142, 230, 284, 331, 355, 460, 529, 662, 710, 1058, 1324, 1420, 1633, 1655, 2116, 2645, 3266, 3310, 5290, 6532, 6620, 7613, 8165, 10580, 15226, 16330, 23501, 30452, 32660, 37559, 38065, 47002, 75118, 76130, 94004, 117505, 150236, 152260, 175099, 187795, 235010, 350198, 375590, 470020, 540523, 700396, 751180, 875495, 1081046, 1750990, 2162092, 2702615, 3501980, 5405230, 10810460, 12432029, 24864058, 49728116, 62160145, 124320290, 248640580]

約数ペア:

[(1, 248640580), (2, 124320290), (4, 62160145), (5, 49728116), (10, 24864058), (20, 12432029), (23, 10810460), (46, 5405230), (71, 3501980), (92, 2702615), (115, 2162092), (142, 1750990), (230, 1081046), (284, 875495), (331, 751180), (355, 700396), (460, 540523), (529, 470020), (662, 375590), (710, 350198), (1058, 235010), (1324, 187795), (1420, 175099), (1633, 152260), (1655, 150236), (2116, 117505), (2645, 94004), (3266, 76130), (3310, 75118), (5290, 47002), (6532, 38065), (6620, 37559), (7613, 32660), (8165, 30452), (10580, 23501), (15226, 16330)]