278313350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 618817536

約数和(自身を除く): 340504186

約数列:

[1, 2, 5, 7, 10, 14, 25, 31, 35, 50, 62, 70, 113, 155, 175, 217, 226, 227, 310, 350, 434, 454, 565, 775, 791, 1085, 1130, 1135, 1550, 1582, 1589, 2170, 2270, 2825, 3178, 3503, 3955, 5425, 5650, 5675, 7006, 7037, 7910, 7945, 10850, 11350, 14074, 15890, 17515, 19775, 24521, 25651, 35030, 35185, 39550, 39725, 49042, 49259, 51302, 70370, 79450, 87575, 98518, 122605, 128255, 175150, 175925, 179557, 245210, 246295, 256510, 351850, 359114, 492590, 613025, 641275, 795181, 897785, 1226050, 1231475, 1282550, 1590362, 1795570, 2462950, 3975905, 4488925, 5566267, 7951810, 8977850, 11132534, 19879525, 27831335, 39759050, 55662670, 139156675, 278313350]

約数ペア:

[(1, 278313350), (2, 139156675), (5, 55662670), (7, 39759050), (10, 27831335), (14, 19879525), (25, 11132534), (31, 8977850), (35, 7951810), (50, 5566267), (62, 4488925), (70, 3975905), (113, 2462950), (155, 1795570), (175, 1590362), (217, 1282550), (226, 1231475), (227, 1226050), (310, 897785), (350, 795181), (434, 641275), (454, 613025), (565, 492590), (775, 359114), (791, 351850), (1085, 256510), (1130, 246295), (1135, 245210), (1550, 179557), (1582, 175925), (1589, 175150), (2170, 128255), (2270, 122605), (2825, 98518), (3178, 87575), (3503, 79450), (3955, 70370), (5425, 51302), (5650, 49259), (5675, 49042), (7006, 39725), (7037, 39550), (7910, 35185), (7945, 35030), (10850, 25651), (11350, 24521), (14074, 19775), (15890, 17515)]