203206520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:373

約数の個数: 128

約数和(自身を含む): 532224000

約数和(自身を除く): 329017480

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 109, 110, 152, 190, 209, 218, 220, 223, 380, 418, 436, 440, 446, 545, 760, 836, 872, 892, 1045, 1090, 1115, 1199, 1672, 1784, 2071, 2090, 2180, 2230, 2398, 2453, 4142, 4180, 4237, 4360, 4460, 4796, 4906, 5995, 8284, 8360, 8474, 8920, 9592, 9812, 10355, 11990, 12265, 16568, 16948, 19624, 20710, 21185, 22781, 23980, 24307, 24530, 33896, 41420, 42370, 45562, 46607, 47960, 48614, 49060, 82840, 84740, 91124, 93214, 97228, 98120, 113905, 121535, 169480, 182248, 186428, 194456, 227810, 233035, 243070, 267377, 372856, 455620, 461833, 466070, 486140, 534754, 911240, 923666, 932140, 972280, 1069508, 1336885, 1847332, 1864280, 2139016, 2309165, 2673770, 3694664, 4618330, 5080163, 5347540, 9236660, 10160326, 10695080, 18473320, 20320652, 25400815, 40641304, 50801630, 101603260, 203206520]

約数ペア:

[(1, 203206520), (2, 101603260), (4, 50801630), (5, 40641304), (8, 25400815), (10, 20320652), (11, 18473320), (19, 10695080), (20, 10160326), (22, 9236660), (38, 5347540), (40, 5080163), (44, 4618330), (55, 3694664), (76, 2673770), (88, 2309165), (95, 2139016), (109, 1864280), (110, 1847332), (152, 1336885), (190, 1069508), (209, 972280), (218, 932140), (220, 923666), (223, 911240), (380, 534754), (418, 486140), (436, 466070), (440, 461833), (446, 455620), (545, 372856), (760, 267377), (836, 243070), (872, 233035), (892, 227810), (1045, 194456), (1090, 186428), (1115, 182248), (1199, 169480), (1672, 121535), (1784, 113905), (2071, 98120), (2090, 97228), (2180, 93214), (2230, 91124), (2398, 84740), (2453, 82840), (4142, 49060), (4180, 48614), (4237, 47960), (4360, 46607), (4460, 45562), (4796, 42370), (4906, 41420), (5995, 33896), (8284, 24530), (8360, 24307), (8474, 23980), (8920, 22781), (9592, 21185), (9812, 20710), (10355, 19624), (11990, 16948), (12265, 16568)]