177131890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 355622400

約数和(自身を除く): 178490510

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 167, 199, 205, 334, 398, 410, 533, 835, 995, 1066, 1670, 1990, 2171, 2587, 2665, 4342, 5174, 5330, 6847, 8159, 10855, 12935, 13694, 16318, 21710, 25870, 33233, 34235, 40795, 66466, 68470, 81590, 89011, 106067, 166165, 178022, 212134, 332330, 432029, 445055, 530335, 864058, 890110, 1060670, 1362553, 2160145, 2725106, 4320290, 6812765, 13625530, 17713189, 35426378, 88565945, 177131890]

約数ペア:

[(1, 177131890), (2, 88565945), (5, 35426378), (10, 17713189), (13, 13625530), (26, 6812765), (41, 4320290), (65, 2725106), (82, 2160145), (130, 1362553), (167, 1060670), (199, 890110), (205, 864058), (334, 530335), (398, 445055), (410, 432029), (533, 332330), (835, 212134), (995, 178022), (1066, 166165), (1670, 106067), (1990, 89011), (2171, 81590), (2587, 68470), (2665, 66466), (4342, 40795), (5174, 34235), (5330, 33233), (6847, 25870), (8159, 21710), (10855, 16318), (12935, 13694)]