217400520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{58441}}^1$

素因数の和:58486

約数の個数: 64

約数和(自身を含む): 673251840

約数和(自身を除く): 455851320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 58441, 116882, 175323, 233764, 292205, 350646, 467528, 584410, 701292, 876615, 1168820, 1402584, 1753230, 1811671, 2337640, 3506460, 3623342, 5435013, 7012920, 7246684, 9058355, 10870026, 14493368, 18116710, 21740052, 27175065, 36233420, 43480104, 54350130, 72466840, 108700260, 217400520]

約数ペア:

[(1, 217400520), (2, 108700260), (3, 72466840), (4, 54350130), (5, 43480104), (6, 36233420), (8, 27175065), (10, 21740052), (12, 18116710), (15, 14493368), (20, 10870026), (24, 9058355), (30, 7246684), (31, 7012920), (40, 5435013), (60, 3623342), (62, 3506460), (93, 2337640), (120, 1811671), (124, 1753230), (155, 1402584), (186, 1168820), (248, 876615), (310, 701292), (372, 584410), (465, 467528), (620, 350646), (744, 292205), (930, 233764), (1240, 175323), (1860, 116882), (3720, 58441)]