489604450

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{9901}}^1$

素因数の和:9979

約数の個数: 48

約数和(自身を含む): 972455616

約数和(自身を除く): 482851166

約数列:

[1, 2, 5, 10, 23, 25, 43, 46, 50, 86, 115, 215, 230, 430, 575, 989, 1075, 1150, 1978, 2150, 4945, 9890, 9901, 19802, 24725, 49450, 49505, 99010, 227723, 247525, 425743, 455446, 495050, 851486, 1138615, 2128715, 2277230, 4257430, 5693075, 9792089, 10643575, 11386150, 19584178, 21287150, 48960445, 97920890, 244802225, 489604450]

約数ペア:

[(1, 489604450), (2, 244802225), (5, 97920890), (10, 48960445), (23, 21287150), (25, 19584178), (43, 11386150), (46, 10643575), (50, 9792089), (86, 5693075), (115, 4257430), (215, 2277230), (230, 2128715), (430, 1138615), (575, 851486), (989, 495050), (1075, 455446), (1150, 425743), (1978, 247525), (2150, 227723), (4945, 99010), (9890, 49505), (9901, 49450), (19802, 24725)]