156929351380

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1\times {\mathrm{549511}}^1$

素因数の和:549760

約数の個数: 48

約数和(自身を含む): 335114398080

約数和(自身を除く): 178185046700

約数列:

[1, 2, 4, 5, 10, 20, 109, 131, 218, 262, 436, 524, 545, 655, 1090, 1310, 2180, 2620, 14279, 28558, 57116, 71395, 142790, 285580, 549511, 1099022, 2198044, 2747555, 5495110, 10990220, 59896699, 71985941, 119793398, 143971882, 239586796, 287943764, 299483495, 359929705, 598966990, 719859410, 1197933980, 1439718820, 7846467569, 15692935138, 31385870276, 39232337845, 78464675690, 156929351380]

約数ペア:

[(1, 156929351380), (2, 78464675690), (4, 39232337845), (5, 31385870276), (10, 15692935138), (20, 7846467569), (109, 1439718820), (131, 1197933980), (218, 719859410), (262, 598966990), (436, 359929705), (524, 299483495), (545, 287943764), (655, 239586796), (1090, 143971882), (1310, 119793398), (2180, 71985941), (2620, 59896699), (14279, 10990220), (28558, 5495110), (57116, 2747555), (71395, 2198044), (142790, 1099022), (285580, 549511)]