649896520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9397}}^1$

素因数の和:9447

約数の個数: 128

約数和(自身を含む): 1894636800

約数和(自身を除く): 1244740280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 494, 520, 532, 665, 728, 760, 910, 988, 1064, 1235, 1330, 1729, 1820, 1976, 2470, 2660, 3458, 3640, 4940, 5320, 6916, 8645, 9397, 9880, 13832, 17290, 18794, 34580, 37588, 46985, 65779, 69160, 75176, 93970, 122161, 131558, 178543, 187940, 244322, 263116, 328895, 357086, 375880, 488644, 526232, 610805, 657790, 714172, 855127, 892715, 977288, 1221610, 1249801, 1315580, 1428344, 1710254, 1785430, 2321059, 2443220, 2499602, 2631160, 3420508, 3570860, 4275635, 4642118, 4886440, 4999204, 6249005, 6841016, 7141720, 8551270, 9284236, 9998408, 11605295, 12498010, 16247413, 17102540, 18568472, 23210590, 24996020, 32494826, 34205080, 46421180, 49992040, 64989652, 81237065, 92842360, 129979304, 162474130, 324948260, 649896520]

約数ペア:

[(1, 649896520), (2, 324948260), (4, 162474130), (5, 129979304), (7, 92842360), (8, 81237065), (10, 64989652), (13, 49992040), (14, 46421180), (19, 34205080), (20, 32494826), (26, 24996020), (28, 23210590), (35, 18568472), (38, 17102540), (40, 16247413), (52, 12498010), (56, 11605295), (65, 9998408), (70, 9284236), (76, 8551270), (91, 7141720), (95, 6841016), (104, 6249005), (130, 4999204), (133, 4886440), (140, 4642118), (152, 4275635), (182, 3570860), (190, 3420508), (247, 2631160), (260, 2499602), (266, 2443220), (280, 2321059), (364, 1785430), (380, 1710254), (455, 1428344), (494, 1315580), (520, 1249801), (532, 1221610), (665, 977288), (728, 892715), (760, 855127), (910, 714172), (988, 657790), (1064, 610805), (1235, 526232), (1330, 488644), (1729, 375880), (1820, 357086), (1976, 328895), (2470, 263116), (2660, 244322), (3458, 187940), (3640, 178543), (4940, 131558), (5320, 122161), (6916, 93970), (8645, 75176), (9397, 69160), (9880, 65779), (13832, 46985), (17290, 37588), (18794, 34580)]