1388502900

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{81199}}^1$

素因数の和:81238

約数の個数: 108

約数和(自身を含む): 4581304000

約数和(自身を除く): 3192801100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 25, 30, 36, 38, 45, 50, 57, 60, 75, 76, 90, 95, 100, 114, 150, 171, 180, 190, 225, 228, 285, 300, 342, 380, 450, 475, 570, 684, 855, 900, 950, 1140, 1425, 1710, 1900, 2850, 3420, 4275, 5700, 8550, 17100, 81199, 162398, 243597, 324796, 405995, 487194, 730791, 811990, 974388, 1217985, 1461582, 1542781, 1623980, 2029975, 2435970, 2923164, 3085562, 3653955, 4059950, 4628343, 4871940, 6089925, 6171124, 7307910, 7713905, 8119900, 9256686, 12179850, 13885029, 14615820, 15427810, 18269775, 18513372, 23141715, 24359700, 27770058, 30855620, 36539550, 38569525, 46283430, 55540116, 69425145, 73079100, 77139050, 92566860, 115708575, 138850290, 154278100, 231417150, 277700580, 347125725, 462834300, 694251450, 1388502900]

約数ペア:

[(1, 1388502900), (2, 694251450), (3, 462834300), (4, 347125725), (5, 277700580), (6, 231417150), (9, 154278100), (10, 138850290), (12, 115708575), (15, 92566860), (18, 77139050), (19, 73079100), (20, 69425145), (25, 55540116), (30, 46283430), (36, 38569525), (38, 36539550), (45, 30855620), (50, 27770058), (57, 24359700), (60, 23141715), (75, 18513372), (76, 18269775), (90, 15427810), (95, 14615820), (100, 13885029), (114, 12179850), (150, 9256686), (171, 8119900), (180, 7713905), (190, 7307910), (225, 6171124), (228, 6089925), (285, 4871940), (300, 4628343), (342, 4059950), (380, 3653955), (450, 3085562), (475, 2923164), (570, 2435970), (684, 2029975), (855, 1623980), (900, 1542781), (950, 1461582), (1140, 1217985), (1425, 974388), (1710, 811990), (1900, 730791), (2850, 487194), (3420, 405995), (4275, 324796), (5700, 243597), (8550, 162398), (17100, 81199)]