200308040

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{281}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 460494720

約数和(自身を除く): 260186680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 251, 281, 284, 355, 502, 562, 568, 710, 1004, 1124, 1255, 1405, 1420, 2008, 2248, 2510, 2810, 2840, 5020, 5620, 10040, 11240, 17821, 19951, 35642, 39902, 70531, 71284, 79804, 89105, 99755, 141062, 142568, 159608, 178210, 199510, 282124, 352655, 356420, 399020, 564248, 705310, 712840, 798040, 1410620, 2821240, 5007701, 10015402, 20030804, 25038505, 40061608, 50077010, 100154020, 200308040]

約数ペア:

[(1, 200308040), (2, 100154020), (4, 50077010), (5, 40061608), (8, 25038505), (10, 20030804), (20, 10015402), (40, 5007701), (71, 2821240), (142, 1410620), (251, 798040), (281, 712840), (284, 705310), (355, 564248), (502, 399020), (562, 356420), (568, 352655), (710, 282124), (1004, 199510), (1124, 178210), (1255, 159608), (1405, 142568), (1420, 141062), (2008, 99755), (2248, 89105), (2510, 79804), (2810, 71284), (2840, 70531), (5020, 39902), (5620, 35642), (10040, 19951), (11240, 17821)]