68377390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{15647}}^1$

素因数の和:15696

約数の個数: 32

約数和(自身を含む): 135198720

約数和(自身を除く): 66821330

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 15647, 31294, 78235, 156470, 297293, 359881, 594586, 719762, 1486465, 1799405, 2972930, 3598810, 6837739, 13675478, 34188695, 68377390]

約数ペア:

[(1, 68377390), (2, 34188695), (5, 13675478), (10, 6837739), (19, 3598810), (23, 2972930), (38, 1799405), (46, 1486465), (95, 719762), (115, 594586), (190, 359881), (230, 297293), (437, 156470), (874, 78235), (2185, 31294), (4370, 15647)]