311285240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{241}}^1\times {\mathrm{659}}^1$

素因数の和:925

約数の個数: 96

約数和(自身を含む): 819363600

約数和(自身を除く): 508078360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 241, 245, 280, 392, 482, 490, 659, 964, 980, 1205, 1318, 1687, 1928, 1960, 2410, 2636, 3295, 3374, 4613, 4820, 5272, 6590, 6748, 8435, 9226, 9640, 11809, 13180, 13496, 16870, 18452, 23065, 23618, 26360, 32291, 33740, 36904, 46130, 47236, 59045, 64582, 67480, 92260, 94472, 118090, 129164, 158819, 161455, 184520, 236180, 258328, 317638, 322910, 472360, 635276, 645820, 794095, 1111733, 1270552, 1291640, 1588190, 2223466, 3176380, 4446932, 5558665, 6352760, 7782131, 8893864, 11117330, 15564262, 22234660, 31128524, 38910655, 44469320, 62257048, 77821310, 155642620, 311285240]

約数ペア:

[(1, 311285240), (2, 155642620), (4, 77821310), (5, 62257048), (7, 44469320), (8, 38910655), (10, 31128524), (14, 22234660), (20, 15564262), (28, 11117330), (35, 8893864), (40, 7782131), (49, 6352760), (56, 5558665), (70, 4446932), (98, 3176380), (140, 2223466), (196, 1588190), (241, 1291640), (245, 1270552), (280, 1111733), (392, 794095), (482, 645820), (490, 635276), (659, 472360), (964, 322910), (980, 317638), (1205, 258328), (1318, 236180), (1687, 184520), (1928, 161455), (1960, 158819), (2410, 129164), (2636, 118090), (3295, 94472), (3374, 92260), (4613, 67480), (4820, 64582), (5272, 59045), (6590, 47236), (6748, 46130), (8435, 36904), (9226, 33740), (9640, 32291), (11809, 26360), (13180, 23618), (13496, 23065), (16870, 18452)]