39789390620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{9767}}^1\times {\mathrm{4157}}^1$

素因数の和:13947

約数の個数: 72

約数和(自身を含む): 97233133536

約数和(自身を除く): 57443742916

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 4157, 8314, 9767, 16628, 19534, 20785, 29099, 39068, 41570, 48835, 58198, 68369, 83140, 97670, 116396, 136738, 145495, 195340, 203693, 273476, 290990, 341845, 407386, 478583, 581980, 683690, 814772, 957166, 1018465, 1367380, 1914332, 2036930, 2392915, 4073860, 4785830, 9571660, 40601419, 81202838, 162405676, 203007095, 284209933, 406014190, 568419866, 812028380, 1136839732, 1421049665, 1989469531, 2842099330, 3978939062, 5684198660, 7957878124, 9947347655, 19894695310, 39789390620]

約数ペア:

[(1, 39789390620), (2, 19894695310), (4, 9947347655), (5, 7957878124), (7, 5684198660), (10, 3978939062), (14, 2842099330), (20, 1989469531), (28, 1421049665), (35, 1136839732), (49, 812028380), (70, 568419866), (98, 406014190), (140, 284209933), (196, 203007095), (245, 162405676), (490, 81202838), (980, 40601419), (4157, 9571660), (8314, 4785830), (9767, 4073860), (16628, 2392915), (19534, 2036930), (20785, 1914332), (29099, 1367380), (39068, 1018465), (41570, 957166), (48835, 814772), (58198, 683690), (68369, 581980), (83140, 478583), (97670, 407386), (116396, 341845), (136738, 290990), (145495, 273476), (195340, 203693)]