870826372220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{9984251}}^1$

素因数の和:9984363

約数の個数: 72

約数和(自身を含む): 2151206935920

約数和(自身を除く): 1280380563700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 89, 98, 140, 178, 196, 245, 356, 445, 490, 623, 890, 980, 1246, 1780, 2492, 3115, 4361, 6230, 8722, 12460, 17444, 21805, 43610, 87220, 9984251, 19968502, 39937004, 49921255, 69889757, 99842510, 139779514, 199685020, 279559028, 349448785, 489228299, 698897570, 888598339, 978456598, 1397795140, 1777196678, 1956913196, 2446141495, 3554393356, 4442991695, 4892282990, 6220188373, 8885983390, 9784565980, 12440376746, 17771966780, 24880753492, 31100941865, 43541318611, 62201883730, 87082637222, 124403767460, 174165274444, 217706593055, 435413186110, 870826372220]

約数ペア:

[(1, 870826372220), (2, 435413186110), (4, 217706593055), (5, 174165274444), (7, 124403767460), (10, 87082637222), (14, 62201883730), (20, 43541318611), (28, 31100941865), (35, 24880753492), (49, 17771966780), (70, 12440376746), (89, 9784565980), (98, 8885983390), (140, 6220188373), (178, 4892282990), (196, 4442991695), (245, 3554393356), (356, 2446141495), (445, 1956913196), (490, 1777196678), (623, 1397795140), (890, 978456598), (980, 888598339), (1246, 698897570), (1780, 489228299), (2492, 349448785), (3115, 279559028), (4361, 199685020), (6230, 139779514), (8722, 99842510), (12460, 69889757), (17444, 49921255), (21805, 39937004), (43610, 19968502), (87220, 9984251)]