156969615860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{638971}}^1$

素因数の和:639224

約数の個数: 48

約数和(自身を含む): 336211731072

約数和(自身を除く): 179242115212

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 173, 284, 346, 355, 692, 710, 865, 1420, 1730, 3460, 12283, 24566, 49132, 61415, 122830, 245660, 638971, 1277942, 2555884, 3194855, 6389710, 12779420, 45366941, 90733882, 110541983, 181467764, 221083966, 226834705, 442167932, 453669410, 552709915, 907338820, 1105419830, 2210839660, 7848480793, 15696961586, 31393923172, 39242403965, 78484807930, 156969615860]

約数ペア:

[(1, 156969615860), (2, 78484807930), (4, 39242403965), (5, 31393923172), (10, 15696961586), (20, 7848480793), (71, 2210839660), (142, 1105419830), (173, 907338820), (284, 552709915), (346, 453669410), (355, 442167932), (692, 226834705), (710, 221083966), (865, 181467764), (1420, 110541983), (1730, 90733882), (3460, 45366941), (12283, 12779420), (24566, 6389710), (49132, 3194855), (61415, 2555884), (122830, 1277942), (245660, 638971)]