211093040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1229}}^1$

素因数の和:1374

約数の個数: 80

約数和(自身を含む): 521618400

約数和(自身を除く): 310525360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 113, 152, 190, 226, 304, 380, 452, 565, 760, 904, 1130, 1229, 1520, 1808, 2147, 2260, 2458, 4294, 4520, 4916, 6145, 8588, 9040, 9832, 10735, 12290, 17176, 19664, 21470, 23351, 24580, 34352, 42940, 46702, 49160, 85880, 93404, 98320, 116755, 138877, 171760, 186808, 233510, 277754, 373616, 467020, 555508, 694385, 934040, 1111016, 1388770, 1868080, 2222032, 2638663, 2777540, 5277326, 5555080, 10554652, 11110160, 13193315, 21109304, 26386630, 42218608, 52773260, 105546520, 211093040]

約数ペア:

[(1, 211093040), (2, 105546520), (4, 52773260), (5, 42218608), (8, 26386630), (10, 21109304), (16, 13193315), (19, 11110160), (20, 10554652), (38, 5555080), (40, 5277326), (76, 2777540), (80, 2638663), (95, 2222032), (113, 1868080), (152, 1388770), (190, 1111016), (226, 934040), (304, 694385), (380, 555508), (452, 467020), (565, 373616), (760, 277754), (904, 233510), (1130, 186808), (1229, 171760), (1520, 138877), (1808, 116755), (2147, 98320), (2260, 93404), (2458, 85880), (4294, 49160), (4520, 46702), (4916, 42940), (6145, 34352), (8588, 24580), (9040, 23351), (9832, 21470), (10735, 19664), (12290, 17176)]