398976228

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:519

約数の個数: 144

約数和(自身を含む): 1193920000

約数和(自身を除く): 794943772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 79, 84, 98, 126, 147, 158, 196, 237, 252, 294, 316, 343, 409, 441, 474, 553, 588, 686, 711, 818, 882, 948, 1029, 1106, 1227, 1372, 1422, 1636, 1659, 1764, 2058, 2212, 2454, 2844, 2863, 3087, 3318, 3681, 3871, 4116, 4908, 4977, 5726, 6174, 6636, 7362, 7742, 8589, 9954, 11452, 11613, 12348, 14724, 15484, 17178, 19908, 20041, 23226, 25767, 27097, 32311, 34356, 34839, 40082, 46452, 51534, 54194, 60123, 64622, 69678, 80164, 81291, 96933, 103068, 108388, 120246, 129244, 139356, 140287, 162582, 180369, 193866, 226177, 240492, 243873, 280574, 290799, 325164, 360738, 387732, 420861, 452354, 487746, 561148, 581598, 678531, 721476, 841722, 904708, 975492, 1163196, 1262583, 1357062, 1583239, 1683444, 2035593, 2525166, 2714124, 3166478, 4071186, 4749717, 5050332, 6332956, 8142372, 9499434, 11082673, 14249151, 18998868, 22165346, 28498302, 33248019, 44330692, 56996604, 66496038, 99744057, 132992076, 199488114, 398976228]

約数ペア:

[(1, 398976228), (2, 199488114), (3, 132992076), (4, 99744057), (6, 66496038), (7, 56996604), (9, 44330692), (12, 33248019), (14, 28498302), (18, 22165346), (21, 18998868), (28, 14249151), (36, 11082673), (42, 9499434), (49, 8142372), (63, 6332956), (79, 5050332), (84, 4749717), (98, 4071186), (126, 3166478), (147, 2714124), (158, 2525166), (196, 2035593), (237, 1683444), (252, 1583239), (294, 1357062), (316, 1262583), (343, 1163196), (409, 975492), (441, 904708), (474, 841722), (553, 721476), (588, 678531), (686, 581598), (711, 561148), (818, 487746), (882, 452354), (948, 420861), (1029, 387732), (1106, 360738), (1227, 325164), (1372, 290799), (1422, 280574), (1636, 243873), (1659, 240492), (1764, 226177), (2058, 193866), (2212, 180369), (2454, 162582), (2844, 140287), (2863, 139356), (3087, 129244), (3318, 120246), (3681, 108388), (3871, 103068), (4116, 96933), (4908, 81291), (4977, 80164), (5726, 69678), (6174, 64622), (6636, 60123), (7362, 54194), (7742, 51534), (8589, 46452), (9954, 40082), (11452, 34839), (11613, 34356), (12348, 32311), (14724, 27097), (15484, 25767), (17178, 23226), (19908, 20041)]