1878691340

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{397}}^1$

素因数の和:675

約数の個数: 96

約数和(自身を含む): 4212432000

約数和(自身を除く): 2333740660

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 82, 116, 145, 164, 199, 205, 290, 397, 398, 410, 580, 794, 796, 820, 995, 1189, 1588, 1985, 1990, 2378, 3970, 3980, 4756, 5771, 5945, 7940, 8159, 11513, 11542, 11890, 16277, 16318, 23026, 23084, 23780, 28855, 32554, 32636, 40795, 46052, 57565, 57710, 65108, 79003, 81385, 81590, 115130, 115420, 158006, 162770, 163180, 230260, 236611, 316012, 325540, 395015, 472033, 473222, 790030, 944066, 946444, 1183055, 1580060, 1888132, 2291087, 2360165, 2366110, 3239123, 4582174, 4720330, 4732220, 6478246, 9164348, 9440660, 11455435, 12956492, 16195615, 22910870, 32391230, 45821740, 64782460, 93934567, 187869134, 375738268, 469672835, 939345670, 1878691340]

約数ペア:

[(1, 1878691340), (2, 939345670), (4, 469672835), (5, 375738268), (10, 187869134), (20, 93934567), (29, 64782460), (41, 45821740), (58, 32391230), (82, 22910870), (116, 16195615), (145, 12956492), (164, 11455435), (199, 9440660), (205, 9164348), (290, 6478246), (397, 4732220), (398, 4720330), (410, 4582174), (580, 3239123), (794, 2366110), (796, 2360165), (820, 2291087), (995, 1888132), (1189, 1580060), (1588, 1183055), (1985, 946444), (1990, 944066), (2378, 790030), (3970, 473222), (3980, 472033), (4756, 395015), (5771, 325540), (5945, 316012), (7940, 236611), (8159, 230260), (11513, 163180), (11542, 162770), (11890, 158006), (16277, 115420), (16318, 115130), (23026, 81590), (23084, 81385), (23780, 79003), (28855, 65108), (32554, 57710), (32636, 57565), (40795, 46052)]