206906390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{419}}^1$

素因数の和:581

約数の個数: 64

約数和(自身を含む): 413683200

約数和(自身を除く): 206776810

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 113, 115, 190, 226, 230, 419, 437, 565, 838, 874, 1130, 2095, 2147, 2185, 2599, 4190, 4294, 4370, 5198, 7961, 9637, 10735, 12995, 15922, 19274, 21470, 25990, 39805, 47347, 48185, 49381, 79610, 94694, 96370, 98762, 183103, 236735, 246905, 366206, 473470, 493810, 899593, 915515, 1088981, 1799186, 1831030, 2177962, 4497965, 5444905, 8995930, 10889810, 20690639, 41381278, 103453195, 206906390]

約数ペア:

[(1, 206906390), (2, 103453195), (5, 41381278), (10, 20690639), (19, 10889810), (23, 8995930), (38, 5444905), (46, 4497965), (95, 2177962), (113, 1831030), (115, 1799186), (190, 1088981), (226, 915515), (230, 899593), (419, 493810), (437, 473470), (565, 366206), (838, 246905), (874, 236735), (1130, 183103), (2095, 98762), (2147, 96370), (2185, 94694), (2599, 79610), (4190, 49381), (4294, 48185), (4370, 47347), (5198, 39805), (7961, 25990), (9637, 21470), (10735, 19274), (12995, 15922)]