640872204

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{1429}}^1$

素因数の和:1743

約数の個数: 96

約数和(自身を含む): 1806604800

約数和(自身を除く): 1165732596

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 281, 399, 532, 562, 798, 843, 1124, 1429, 1596, 1686, 1967, 2858, 3372, 3934, 4287, 5339, 5716, 5901, 7868, 8574, 10003, 10678, 11802, 16017, 17148, 20006, 21356, 23604, 27151, 30009, 32034, 37373, 40012, 54302, 60018, 64068, 74746, 81453, 108604, 112119, 120036, 149492, 162906, 190057, 224238, 325812, 380114, 401549, 448476, 570171, 760228, 803098, 1140342, 1204647, 1606196, 2280684, 2409294, 2810843, 4818588, 5621686, 7629431, 8432529, 11243372, 15258862, 16865058, 22888293, 30517724, 33730116, 45776586, 53406017, 91553172, 106812034, 160218051, 213624068, 320436102, 640872204]

約数ペア:

[(1, 640872204), (2, 320436102), (3, 213624068), (4, 160218051), (6, 106812034), (7, 91553172), (12, 53406017), (14, 45776586), (19, 33730116), (21, 30517724), (28, 22888293), (38, 16865058), (42, 15258862), (57, 11243372), (76, 8432529), (84, 7629431), (114, 5621686), (133, 4818588), (228, 2810843), (266, 2409294), (281, 2280684), (399, 1606196), (532, 1204647), (562, 1140342), (798, 803098), (843, 760228), (1124, 570171), (1429, 448476), (1596, 401549), (1686, 380114), (1967, 325812), (2858, 224238), (3372, 190057), (3934, 162906), (4287, 149492), (5339, 120036), (5716, 112119), (5901, 108604), (7868, 81453), (8574, 74746), (10003, 64068), (10678, 60018), (11802, 54302), (16017, 40012), (17148, 37373), (20006, 32034), (21356, 30009), (23604, 27151)]