215519500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:608

約数の個数: 96

約数和(自身を含む): 543029760

約数和(自身を除く): 327510260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 139, 140, 175, 250, 278, 350, 443, 500, 556, 695, 700, 875, 886, 973, 1390, 1750, 1772, 1946, 2215, 2780, 3101, 3475, 3500, 3892, 4430, 4865, 6202, 6950, 8860, 9730, 11075, 12404, 13900, 15505, 17375, 19460, 22150, 24325, 31010, 34750, 44300, 48650, 55375, 61577, 62020, 69500, 77525, 97300, 110750, 121625, 123154, 155050, 221500, 243250, 246308, 307885, 310100, 387625, 431039, 486500, 615770, 775250, 862078, 1231540, 1539425, 1550500, 1724156, 2155195, 3078850, 4310390, 6157700, 7697125, 8620780, 10775975, 15394250, 21551950, 30788500, 43103900, 53879875, 107759750, 215519500]

約数ペア:

[(1, 215519500), (2, 107759750), (4, 53879875), (5, 43103900), (7, 30788500), (10, 21551950), (14, 15394250), (20, 10775975), (25, 8620780), (28, 7697125), (35, 6157700), (50, 4310390), (70, 3078850), (100, 2155195), (125, 1724156), (139, 1550500), (140, 1539425), (175, 1231540), (250, 862078), (278, 775250), (350, 615770), (443, 486500), (500, 431039), (556, 387625), (695, 310100), (700, 307885), (875, 246308), (886, 243250), (973, 221500), (1390, 155050), (1750, 123154), (1772, 121625), (1946, 110750), (2215, 97300), (2780, 77525), (3101, 69500), (3475, 62020), (3500, 61577), (3892, 55375), (4430, 48650), (4865, 44300), (6202, 34750), (6950, 31010), (8860, 24325), (9730, 22150), (11075, 19460), (12404, 17375), (13900, 15505)]