251147950

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{587}}^1$

素因数の和:841

約数の個数: 48

約数和(自身を含む): 481219200

約数和(自身を除く): 230071250

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 199, 215, 398, 430, 587, 995, 1075, 1174, 1990, 2150, 2935, 4975, 5870, 8557, 9950, 14675, 17114, 25241, 29350, 42785, 50482, 85570, 116813, 126205, 213925, 233626, 252410, 427850, 584065, 631025, 1168130, 1262050, 2920325, 5022959, 5840650, 10045918, 25114795, 50229590, 125573975, 251147950]

約数ペア:

[(1, 251147950), (2, 125573975), (5, 50229590), (10, 25114795), (25, 10045918), (43, 5840650), (50, 5022959), (86, 2920325), (199, 1262050), (215, 1168130), (398, 631025), (430, 584065), (587, 427850), (995, 252410), (1075, 233626), (1174, 213925), (1990, 126205), (2150, 116813), (2935, 85570), (4975, 50482), (5870, 42785), (8557, 29350), (9950, 25241), (14675, 17114)]