221036660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4451}}^1$

素因数の和:4664

約数の個数: 48

約数和(自身を含む): 502612992

約数和(自身を除く): 281576332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 3820, 4451, 4966, 8902, 9932, 12415, 17804, 22255, 24830, 44510, 49660, 57863, 89020, 115726, 231452, 289315, 578630, 850141, 1157260, 1700282, 3400564, 4250705, 8501410, 11051833, 17002820, 22103666, 44207332, 55259165, 110518330, 221036660]

約数ペア:

[(1, 221036660), (2, 110518330), (4, 55259165), (5, 44207332), (10, 22103666), (13, 17002820), (20, 11051833), (26, 8501410), (52, 4250705), (65, 3400564), (130, 1700282), (191, 1157260), (260, 850141), (382, 578630), (764, 289315), (955, 231452), (1910, 115726), (2483, 89020), (3820, 57863), (4451, 49660), (4966, 44510), (8902, 24830), (9932, 22255), (12415, 17804)]