291214660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1867}}^1$

素因数の和:2596

約数の個数: 48

約数和(自身を含む): 668445120

約数和(自身を除く): 377230460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 709, 1418, 1867, 2836, 3545, 3734, 7090, 7468, 7799, 9335, 14180, 15598, 18670, 20537, 31196, 37340, 38995, 41074, 77990, 82148, 102685, 155980, 205370, 410740, 1323703, 2647406, 5294812, 6618515, 13237030, 14560733, 26474060, 29121466, 58242932, 72803665, 145607330, 291214660]

約数ペア:

[(1, 291214660), (2, 145607330), (4, 72803665), (5, 58242932), (10, 29121466), (11, 26474060), (20, 14560733), (22, 13237030), (44, 6618515), (55, 5294812), (110, 2647406), (220, 1323703), (709, 410740), (1418, 205370), (1867, 155980), (2836, 102685), (3545, 82148), (3734, 77990), (7090, 41074), (7468, 38995), (7799, 37340), (9335, 31196), (14180, 20537), (15598, 18670)]