189569720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{1871}}^1$

素因数の和:2048

約数の個数: 64

約数和(自身を含む): 454896000

約数和(自身を除く): 265326280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 149, 170, 298, 340, 596, 680, 745, 1192, 1490, 1871, 2533, 2980, 3742, 5066, 5960, 7484, 9355, 10132, 12665, 14968, 18710, 20264, 25330, 31807, 37420, 50660, 63614, 74840, 101320, 127228, 159035, 254456, 278779, 318070, 557558, 636140, 1115116, 1272280, 1393895, 2230232, 2787790, 4739243, 5575580, 9478486, 11151160, 18956972, 23696215, 37913944, 47392430, 94784860, 189569720]

約数ペア:

[(1, 189569720), (2, 94784860), (4, 47392430), (5, 37913944), (8, 23696215), (10, 18956972), (17, 11151160), (20, 9478486), (34, 5575580), (40, 4739243), (68, 2787790), (85, 2230232), (136, 1393895), (149, 1272280), (170, 1115116), (298, 636140), (340, 557558), (596, 318070), (680, 278779), (745, 254456), (1192, 159035), (1490, 127228), (1871, 101320), (2533, 74840), (2980, 63614), (3742, 50660), (5066, 37420), (5960, 31807), (7484, 25330), (9355, 20264), (10132, 18710), (12665, 14968)]