197921480

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{15319}}^1$

素因数の和:15366

約数の個数: 64

約数和(自身を含む): 496368000

約数和(自身を除く): 298446520

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2584, 3230, 6460, 12920, 15319, 30638, 61276, 76595, 122552, 153190, 260423, 291061, 306380, 520846, 582122, 612760, 1041692, 1164244, 1302115, 1455305, 2083384, 2328488, 2604230, 2910610, 4948037, 5208460, 5821220, 9896074, 10416920, 11642440, 19792148, 24740185, 39584296, 49480370, 98960740, 197921480]

約数ペア:

[(1, 197921480), (2, 98960740), (4, 49480370), (5, 39584296), (8, 24740185), (10, 19792148), (17, 11642440), (19, 10416920), (20, 9896074), (34, 5821220), (38, 5208460), (40, 4948037), (68, 2910610), (76, 2604230), (85, 2328488), (95, 2083384), (136, 1455305), (152, 1302115), (170, 1164244), (190, 1041692), (323, 612760), (340, 582122), (380, 520846), (646, 306380), (680, 291061), (760, 260423), (1292, 153190), (1615, 122552), (2584, 76595), (3230, 61276), (6460, 30638), (12920, 15319)]