30899320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:512

約数の個数: 64

約数和(自身を含む): 74052000

約数和(自身を除く): 43152680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 109, 152, 190, 218, 373, 380, 436, 545, 746, 760, 872, 1090, 1492, 1865, 2071, 2180, 2984, 3730, 4142, 4360, 7087, 7460, 8284, 10355, 14174, 14920, 16568, 20710, 28348, 35435, 40657, 41420, 56696, 70870, 81314, 82840, 141740, 162628, 203285, 283480, 325256, 406570, 772483, 813140, 1544966, 1626280, 3089932, 3862415, 6179864, 7724830, 15449660, 30899320]

約数ペア:

[(1, 30899320), (2, 15449660), (4, 7724830), (5, 6179864), (8, 3862415), (10, 3089932), (19, 1626280), (20, 1544966), (38, 813140), (40, 772483), (76, 406570), (95, 325256), (109, 283480), (152, 203285), (190, 162628), (218, 141740), (373, 82840), (380, 81314), (436, 70870), (545, 56696), (746, 41420), (760, 40657), (872, 35435), (1090, 28348), (1492, 20710), (1865, 16568), (2071, 14920), (2180, 14174), (2984, 10355), (3730, 8284), (4142, 7460), (4360, 7087)]