201731260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1\times {\mathrm{983}}^1$

素因数の和:1354

約数の個数: 48

約数和(自身を含む): 439068672

約数和(自身を除く): 237337412

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 331, 620, 662, 983, 1324, 1655, 1966, 3310, 3932, 4915, 6620, 9830, 10261, 19660, 20522, 30473, 41044, 51305, 60946, 102610, 121892, 152365, 205220, 304730, 325373, 609460, 650746, 1301492, 1626865, 3253730, 6507460, 10086563, 20173126, 40346252, 50432815, 100865630, 201731260]

約数ペア:

[(1, 201731260), (2, 100865630), (4, 50432815), (5, 40346252), (10, 20173126), (20, 10086563), (31, 6507460), (62, 3253730), (124, 1626865), (155, 1301492), (310, 650746), (331, 609460), (620, 325373), (662, 304730), (983, 205220), (1324, 152365), (1655, 121892), (1966, 102610), (3310, 60946), (3932, 51305), (4915, 41044), (6620, 30473), (9830, 20522), (10261, 19660)]