72267140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1249}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 166320000

約数和(自身を除く): 94052860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 263, 526, 1052, 1249, 1315, 2498, 2630, 2893, 4996, 5260, 5786, 6245, 11572, 12490, 13739, 14465, 24980, 27478, 28930, 54956, 57860, 68695, 137390, 274780, 328487, 656974, 1313948, 1642435, 3284870, 3613357, 6569740, 7226714, 14453428, 18066785, 36133570, 72267140]

約数ペア:

[(1, 72267140), (2, 36133570), (4, 18066785), (5, 14453428), (10, 7226714), (11, 6569740), (20, 3613357), (22, 3284870), (44, 1642435), (55, 1313948), (110, 656974), (220, 328487), (263, 274780), (526, 137390), (1052, 68695), (1249, 57860), (1315, 54956), (2498, 28930), (2630, 27478), (2893, 24980), (4996, 14465), (5260, 13739), (5786, 12490), (6245, 11572)]