2019763340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{1259}}^1\times {\mathrm{1637}}^1$

素因数の和:2919

約数の個数: 72

約数和(自身を含む): 4940928720

約数和(自身を除く): 2921165380

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 1259, 1637, 2518, 3274, 5036, 6295, 6548, 8185, 8813, 11459, 12590, 16370, 17626, 22918, 25180, 32740, 35252, 44065, 45836, 57295, 61691, 80213, 88130, 114590, 123382, 160426, 176260, 229180, 246764, 308455, 320852, 401065, 616910, 802130, 1233820, 1604260, 2060983, 4121966, 8243932, 10304915, 14426881, 20609830, 28853762, 41219660, 57707524, 72134405, 100988167, 144268810, 201976334, 288537620, 403952668, 504940835, 1009881670, 2019763340]

約数ペア:

[(1, 2019763340), (2, 1009881670), (4, 504940835), (5, 403952668), (7, 288537620), (10, 201976334), (14, 144268810), (20, 100988167), (28, 72134405), (35, 57707524), (49, 41219660), (70, 28853762), (98, 20609830), (140, 14426881), (196, 10304915), (245, 8243932), (490, 4121966), (980, 2060983), (1259, 1604260), (1637, 1233820), (2518, 802130), (3274, 616910), (5036, 401065), (6295, 320852), (6548, 308455), (8185, 246764), (8813, 229180), (11459, 176260), (12590, 160426), (16370, 123382), (17626, 114590), (22918, 88130), (25180, 80213), (32740, 61691), (35252, 57295), (44065, 45836)]