205072530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30931}}^1$

素因数の和:30971

約数の個数: 64

約数和(自身を含む): 561230208

約数和(自身を除く): 356157678

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 30931, 61862, 92793, 154655, 185586, 309310, 402103, 463965, 525827, 804206, 927930, 1051654, 1206309, 1577481, 2010515, 2412618, 2629135, 3154962, 4021030, 5258270, 6031545, 6835751, 7887405, 12063090, 13671502, 15774810, 20507253, 34178755, 41014506, 68357510, 102536265, 205072530]

約数ペア:

[(1, 205072530), (2, 102536265), (3, 68357510), (5, 41014506), (6, 34178755), (10, 20507253), (13, 15774810), (15, 13671502), (17, 12063090), (26, 7887405), (30, 6835751), (34, 6031545), (39, 5258270), (51, 4021030), (65, 3154962), (78, 2629135), (85, 2412618), (102, 2010515), (130, 1577481), (170, 1206309), (195, 1051654), (221, 927930), (255, 804206), (390, 525827), (442, 463965), (510, 402103), (663, 309310), (1105, 185586), (1326, 154655), (2210, 92793), (3315, 61862), (6630, 30931)]