669968393320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1091}}^1\times {\mathrm{374443}}^1$

素因数の和:375586

約数の個数: 64

約数和(自身を含む): 1545614965440

約数和(自身を除く): 875646572120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1091, 1640, 2182, 4364, 5455, 8728, 10910, 21820, 43640, 44731, 89462, 178924, 223655, 357848, 374443, 447310, 748886, 894620, 1497772, 1789240, 1872215, 2995544, 3744430, 7488860, 14977720, 15352163, 30704326, 61408652, 76760815, 122817304, 153521630, 307043260, 408517313, 614086520, 817034626, 1634069252, 2042586565, 3268138504, 4085173130, 8170346260, 16340692520, 16749209833, 33498419666, 66996839332, 83746049165, 133993678664, 167492098330, 334984196660, 669968393320]

約数ペア:

[(1, 669968393320), (2, 334984196660), (4, 167492098330), (5, 133993678664), (8, 83746049165), (10, 66996839332), (20, 33498419666), (40, 16749209833), (41, 16340692520), (82, 8170346260), (164, 4085173130), (205, 3268138504), (328, 2042586565), (410, 1634069252), (820, 817034626), (1091, 614086520), (1640, 408517313), (2182, 307043260), (4364, 153521630), (5455, 122817304), (8728, 76760815), (10910, 61408652), (21820, 30704326), (43640, 15352163), (44731, 14977720), (89462, 7488860), (178924, 3744430), (223655, 2995544), (357848, 1872215), (374443, 1789240), (447310, 1497772), (748886, 894620)]