201028550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3469}}^1$

素因数の和:3561

約数の個数: 48

約数和(自身を含む): 400160400

約数和(自身を除く): 199131850

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 61, 95, 122, 190, 305, 475, 610, 950, 1159, 1525, 2318, 3050, 3469, 5795, 6938, 11590, 17345, 28975, 34690, 57950, 65911, 86725, 131822, 173450, 211609, 329555, 423218, 659110, 1058045, 1647775, 2116090, 3295550, 4020571, 5290225, 8041142, 10580450, 20102855, 40205710, 100514275, 201028550]

約数ペア:

[(1, 201028550), (2, 100514275), (5, 40205710), (10, 20102855), (19, 10580450), (25, 8041142), (38, 5290225), (50, 4020571), (61, 3295550), (95, 2116090), (122, 1647775), (190, 1058045), (305, 659110), (475, 423218), (610, 329555), (950, 211609), (1159, 173450), (1525, 131822), (2318, 86725), (3050, 65911), (3469, 57950), (5795, 34690), (6938, 28975), (11590, 17345)]