129550360

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{457}}^1$

素因数の和:860

約数の個数: 64

約数和(自身を含む): 308325600

約数和(自身を除く): 178775240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 373, 380, 457, 746, 760, 914, 1492, 1828, 1865, 2285, 2984, 3656, 3730, 4570, 7087, 7460, 8683, 9140, 14174, 14920, 17366, 18280, 28348, 34732, 35435, 43415, 56696, 69464, 70870, 86830, 141740, 170461, 173660, 283480, 340922, 347320, 681844, 852305, 1363688, 1704610, 3238759, 3409220, 6477518, 6818440, 12955036, 16193795, 25910072, 32387590, 64775180, 129550360]

約数ペア:

[(1, 129550360), (2, 64775180), (4, 32387590), (5, 25910072), (8, 16193795), (10, 12955036), (19, 6818440), (20, 6477518), (38, 3409220), (40, 3238759), (76, 1704610), (95, 1363688), (152, 852305), (190, 681844), (373, 347320), (380, 340922), (457, 283480), (746, 173660), (760, 170461), (914, 141740), (1492, 86830), (1828, 70870), (1865, 69464), (2285, 56696), (2984, 43415), (3656, 35435), (3730, 34732), (4570, 28348), (7087, 18280), (7460, 17366), (8683, 14920), (9140, 14174)]