1003847720

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{2273}}^1$

素因数の和:2526

約数の個数: 64

約数和(自身を含む): 2309383440

約数和(自身を除く): 1305535720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 181, 244, 305, 362, 488, 610, 724, 905, 1220, 1448, 1810, 2273, 2440, 3620, 4546, 7240, 9092, 11041, 11365, 18184, 22082, 22730, 44164, 45460, 55205, 88328, 90920, 110410, 138653, 220820, 277306, 411413, 441640, 554612, 693265, 822826, 1109224, 1386530, 1645652, 2057065, 2773060, 3291304, 4114130, 5546120, 8228260, 16456520, 25096193, 50192386, 100384772, 125480965, 200769544, 250961930, 501923860, 1003847720]

約数ペア:

[(1, 1003847720), (2, 501923860), (4, 250961930), (5, 200769544), (8, 125480965), (10, 100384772), (20, 50192386), (40, 25096193), (61, 16456520), (122, 8228260), (181, 5546120), (244, 4114130), (305, 3291304), (362, 2773060), (488, 2057065), (610, 1645652), (724, 1386530), (905, 1109224), (1220, 822826), (1448, 693265), (1810, 554612), (2273, 441640), (2440, 411413), (3620, 277306), (4546, 220820), (7240, 138653), (9092, 110410), (11041, 90920), (11365, 88328), (18184, 55205), (22082, 45460), (22730, 44164)]