205505910

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4787}}^1$

素因数の和:4859

約数の個数: 80

約数和(自身を含む): 563126256

約数和(自身を除く): 357620346

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 53, 54, 81, 90, 106, 135, 159, 162, 265, 270, 318, 405, 477, 530, 795, 810, 954, 1431, 1590, 2385, 2862, 4293, 4770, 4787, 7155, 8586, 9574, 14310, 14361, 21465, 23935, 28722, 42930, 43083, 47870, 71805, 86166, 129249, 143610, 215415, 253711, 258498, 387747, 430830, 507422, 646245, 761133, 775494, 1268555, 1292490, 1522266, 1938735, 2283399, 2537110, 3805665, 3877470, 4566798, 6850197, 7611330, 11416995, 13700394, 20550591, 22833990, 34250985, 41101182, 68501970, 102752955, 205505910]

約数ペア:

[(1, 205505910), (2, 102752955), (3, 68501970), (5, 41101182), (6, 34250985), (9, 22833990), (10, 20550591), (15, 13700394), (18, 11416995), (27, 7611330), (30, 6850197), (45, 4566798), (53, 3877470), (54, 3805665), (81, 2537110), (90, 2283399), (106, 1938735), (135, 1522266), (159, 1292490), (162, 1268555), (265, 775494), (270, 761133), (318, 646245), (405, 507422), (477, 430830), (530, 387747), (795, 258498), (810, 253711), (954, 215415), (1431, 143610), (1590, 129249), (2385, 86166), (2862, 71805), (4293, 47870), (4770, 43083), (4787, 42930), (7155, 28722), (8586, 23935), (9574, 21465), (14310, 14361)]