201396460

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{2069}}^1$

素因数の和:2266

約数の個数: 48

約数和(自身を含む): 439568640

約数和(自身を除く): 238172180

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 1570, 2069, 3140, 4138, 4867, 8276, 9734, 10345, 19468, 20690, 24335, 41380, 48670, 64139, 97340, 128278, 256556, 320695, 324833, 641390, 649666, 1282780, 1299332, 1624165, 3248330, 6496660, 10069823, 20139646, 40279292, 50349115, 100698230, 201396460]

約数ペア:

[(1, 201396460), (2, 100698230), (4, 50349115), (5, 40279292), (10, 20139646), (20, 10069823), (31, 6496660), (62, 3248330), (124, 1624165), (155, 1299332), (157, 1282780), (310, 649666), (314, 641390), (620, 324833), (628, 320695), (785, 256556), (1570, 128278), (2069, 97340), (3140, 64139), (4138, 48670), (4867, 41380), (8276, 24335), (9734, 20690), (10345, 19468)]