215003240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3581}}^1$

素因数の和:3690

約数の個数: 64

約数和(自身を含む): 515808000

約数和(自身を除く): 300804760

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 79, 95, 152, 158, 190, 316, 380, 395, 632, 760, 790, 1501, 1580, 3002, 3160, 3581, 6004, 7162, 7505, 12008, 14324, 15010, 17905, 28648, 30020, 35810, 60040, 68039, 71620, 136078, 143240, 272156, 282899, 340195, 544312, 565798, 680390, 1131596, 1360780, 1414495, 2263192, 2721560, 2828990, 5375081, 5657980, 10750162, 11315960, 21500324, 26875405, 43000648, 53750810, 107501620, 215003240]

約数ペア:

[(1, 215003240), (2, 107501620), (4, 53750810), (5, 43000648), (8, 26875405), (10, 21500324), (19, 11315960), (20, 10750162), (38, 5657980), (40, 5375081), (76, 2828990), (79, 2721560), (95, 2263192), (152, 1414495), (158, 1360780), (190, 1131596), (316, 680390), (380, 565798), (395, 544312), (632, 340195), (760, 282899), (790, 272156), (1501, 143240), (1580, 136078), (3002, 71620), (3160, 68039), (3581, 60040), (6004, 35810), (7162, 30020), (7505, 28648), (12008, 17905), (14324, 15010)]