397919640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{21121}}^1$

素因数の和:21292

約数の個数: 64

約数和(自身を含む): 1201419360

約数和(自身を除く): 803499720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 21121, 42242, 63363, 84484, 105605, 126726, 168968, 211210, 253452, 316815, 422420, 506904, 633630, 844840, 1267260, 2534520, 3315997, 6631994, 9947991, 13263988, 16579985, 19895982, 26527976, 33159970, 39791964, 49739955, 66319940, 79583928, 99479910, 132639880, 198959820, 397919640]

約数ペア:

[(1, 397919640), (2, 198959820), (3, 132639880), (4, 99479910), (5, 79583928), (6, 66319940), (8, 49739955), (10, 39791964), (12, 33159970), (15, 26527976), (20, 19895982), (24, 16579985), (30, 13263988), (40, 9947991), (60, 6631994), (120, 3315997), (157, 2534520), (314, 1267260), (471, 844840), (628, 633630), (785, 506904), (942, 422420), (1256, 316815), (1570, 253452), (1884, 211210), (2355, 168968), (3140, 126726), (3768, 105605), (4710, 84484), (6280, 63363), (9420, 42242), (18840, 21121)]