31936940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1453}}^1$

素因数の和:1626

約数の個数: 48

約数和(自身を含む): 77189952

約数和(自身を除く): 45253012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 157, 314, 628, 785, 1099, 1453, 1570, 2198, 2906, 3140, 4396, 5495, 5812, 7265, 10171, 10990, 14530, 20342, 21980, 29060, 40684, 50855, 101710, 203420, 228121, 456242, 912484, 1140605, 1596847, 2281210, 3193694, 4562420, 6387388, 7984235, 15968470, 31936940]

約数ペア:

[(1, 31936940), (2, 15968470), (4, 7984235), (5, 6387388), (7, 4562420), (10, 3193694), (14, 2281210), (20, 1596847), (28, 1140605), (35, 912484), (70, 456242), (140, 228121), (157, 203420), (314, 101710), (628, 50855), (785, 40684), (1099, 29060), (1453, 21980), (1570, 20342), (2198, 14530), (2906, 10990), (3140, 10171), (4396, 7265), (5495, 5812)]