201264620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{829}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 432264000

約数和(自身を除く): 230999380

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 199, 244, 305, 398, 610, 796, 829, 995, 1220, 1658, 1990, 3316, 3980, 4145, 8290, 12139, 16580, 24278, 48556, 50569, 60695, 101138, 121390, 164971, 202276, 242780, 252845, 329942, 505690, 659884, 824855, 1011380, 1649710, 3299420, 10063231, 20126462, 40252924, 50316155, 100632310, 201264620]

約数ペア:

[(1, 201264620), (2, 100632310), (4, 50316155), (5, 40252924), (10, 20126462), (20, 10063231), (61, 3299420), (122, 1649710), (199, 1011380), (244, 824855), (305, 659884), (398, 505690), (610, 329942), (796, 252845), (829, 242780), (995, 202276), (1220, 164971), (1658, 121390), (1990, 101138), (3316, 60695), (3980, 50569), (4145, 48556), (8290, 24278), (12139, 16580)]