200548220

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{1229}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 433944000

約数和(自身を除く): 233395780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 199, 205, 398, 410, 796, 820, 995, 1229, 1990, 2458, 3980, 4916, 6145, 8159, 12290, 16318, 24580, 32636, 40795, 50389, 81590, 100778, 163180, 201556, 244571, 251945, 489142, 503890, 978284, 1007780, 1222855, 2445710, 4891420, 10027411, 20054822, 40109644, 50137055, 100274110, 200548220]

約数ペア:

[(1, 200548220), (2, 100274110), (4, 50137055), (5, 40109644), (10, 20054822), (20, 10027411), (41, 4891420), (82, 2445710), (164, 1222855), (199, 1007780), (205, 978284), (398, 503890), (410, 489142), (796, 251945), (820, 244571), (995, 201556), (1229, 163180), (1990, 100778), (2458, 81590), (3980, 50389), (4916, 40795), (6145, 32636), (8159, 24580), (12290, 16318)]