2173220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 72

約数和(自身を含む): 5632704

約数和(自身を除く): 3459484

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 43, 70, 76, 86, 95, 133, 140, 172, 190, 215, 266, 301, 361, 380, 430, 532, 602, 665, 722, 817, 860, 1204, 1330, 1444, 1505, 1634, 1805, 2527, 2660, 3010, 3268, 3610, 4085, 5054, 5719, 6020, 7220, 8170, 10108, 11438, 12635, 15523, 16340, 22876, 25270, 28595, 31046, 50540, 57190, 62092, 77615, 108661, 114380, 155230, 217322, 310460, 434644, 543305, 1086610, 2173220]

約数ペア:

[(1, 2173220), (2, 1086610), (4, 543305), (5, 434644), (7, 310460), (10, 217322), (14, 155230), (19, 114380), (20, 108661), (28, 77615), (35, 62092), (38, 57190), (43, 50540), (70, 31046), (76, 28595), (86, 25270), (95, 22876), (133, 16340), (140, 15523), (172, 12635), (190, 11438), (215, 10108), (266, 8170), (301, 7220), (361, 6020), (380, 5719), (430, 5054), (532, 4085), (602, 3610), (665, 3268), (722, 3010), (817, 2660), (860, 2527), (1204, 1805), (1330, 1634), (1444, 1505)]