2019697720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{64817}}^1$

素因数の和:64888

約数の個数: 64

約数和(自身を含む): 4900240800

約数和(自身を除く): 2880543080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 76, 82, 95, 152, 164, 190, 205, 328, 380, 410, 760, 779, 820, 1558, 1640, 3116, 3895, 6232, 7790, 15580, 31160, 64817, 129634, 259268, 324085, 518536, 648170, 1231523, 1296340, 2463046, 2592680, 2657497, 4926092, 5314994, 6157615, 9852184, 10629988, 12315230, 13287485, 21259976, 24630460, 26574970, 49260920, 50492443, 53149940, 100984886, 106299880, 201969772, 252462215, 403939544, 504924430, 1009848860, 2019697720]

約数ペア:

[(1, 2019697720), (2, 1009848860), (4, 504924430), (5, 403939544), (8, 252462215), (10, 201969772), (19, 106299880), (20, 100984886), (38, 53149940), (40, 50492443), (41, 49260920), (76, 26574970), (82, 24630460), (95, 21259976), (152, 13287485), (164, 12315230), (190, 10629988), (205, 9852184), (328, 6157615), (380, 5314994), (410, 4926092), (760, 2657497), (779, 2592680), (820, 2463046), (1558, 1296340), (1640, 1231523), (3116, 648170), (3895, 518536), (6232, 324085), (7790, 259268), (15580, 129634), (31160, 64817)]