147908920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^2\times {\mathrm{10243}}^1$

素因数の和:10292

約数の個数: 48

約数和(自身を含む): 351266760

約数和(自身を除く): 203357840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 361, 380, 722, 760, 1444, 1805, 2888, 3610, 7220, 10243, 14440, 20486, 40972, 51215, 81944, 102430, 194617, 204860, 389234, 409720, 778468, 973085, 1556936, 1946170, 3697723, 3892340, 7395446, 7784680, 14790892, 18488615, 29581784, 36977230, 73954460, 147908920]

約数ペア:

[(1, 147908920), (2, 73954460), (4, 36977230), (5, 29581784), (8, 18488615), (10, 14790892), (19, 7784680), (20, 7395446), (38, 3892340), (40, 3697723), (76, 1946170), (95, 1556936), (152, 973085), (190, 778468), (361, 409720), (380, 389234), (722, 204860), (760, 194617), (1444, 102430), (1805, 81944), (2888, 51215), (3610, 40972), (7220, 20486), (10243, 14440)]