1780490030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{797}}^1\times {\mathrm{883}}^1$

素因数の和:1721

約数の個数: 64

約数和(自身を含む): 3656959488

約数和(自身を除く): 1876469458

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 797, 883, 1265, 1594, 1766, 2530, 3985, 4415, 7970, 8767, 8830, 9713, 17534, 18331, 19426, 20309, 36662, 40618, 43835, 48565, 87670, 91655, 97130, 101545, 183310, 201641, 203090, 223399, 403282, 446798, 703751, 1008205, 1116995, 1407502, 2016410, 2233990, 3518755, 7037510, 7741261, 15482522, 16186273, 32372546, 38706305, 77412610, 80931365, 161862730, 178049003, 356098006, 890245015, 1780490030]

約数ペア:

[(1, 1780490030), (2, 890245015), (5, 356098006), (10, 178049003), (11, 161862730), (22, 80931365), (23, 77412610), (46, 38706305), (55, 32372546), (110, 16186273), (115, 15482522), (230, 7741261), (253, 7037510), (506, 3518755), (797, 2233990), (883, 2016410), (1265, 1407502), (1594, 1116995), (1766, 1008205), (2530, 703751), (3985, 446798), (4415, 403282), (7970, 223399), (8767, 203090), (8830, 201641), (9713, 183310), (17534, 101545), (18331, 97130), (19426, 91655), (20309, 87670), (36662, 48565), (40618, 43835)]