137420920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 400780800

約数和(自身を除く): 263359880

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, 1987, 2470, 2660, 3458, 3640, 3974, 4940, 5320, 6916, 7948, 8645, 9880, 9935, 13832, 13909, 15896, 17290, 19870, 25831, 27818, 34580, 37753, 39740, 51662, 55636, 69160, 69545, 75506, 79480, 103324, 111272, 129155, 139090, 151012, 180817, 188765, 206648, 258310, 264271, 278180, 302024, 361634, 377530, 490789, 516620, 528542, 556360, 723268, 755060, 904085, 981578, 1033240, 1057084, 1321355, 1446536, 1510120, 1808170, 1963156, 2114168, 2453945, 2642710, 3435523, 3616340, 3926312, 4907890, 5285420, 6871046, 7232680, 9815780, 10570840, 13742092, 17177615, 19631560, 27484184, 34355230, 68710460, 137420920]

約数ペア:

[(1, 137420920), (2, 68710460), (4, 34355230), (5, 27484184), (7, 19631560), (8, 17177615), (10, 13742092), (13, 10570840), (14, 9815780), (19, 7232680), (20, 6871046), (26, 5285420), (28, 4907890), (35, 3926312), (38, 3616340), (40, 3435523), (52, 2642710), (56, 2453945), (65, 2114168), (70, 1963156), (76, 1808170), (91, 1510120), (95, 1446536), (104, 1321355), (130, 1057084), (133, 1033240), (140, 981578), (152, 904085), (182, 755060), (190, 723268), (247, 556360), (260, 528542), (266, 516620), (280, 490789), (364, 377530), (380, 361634), (455, 302024), (494, 278180), (520, 264271), (532, 258310), (665, 206648), (728, 188765), (760, 180817), (910, 151012), (988, 139090), (1064, 129155), (1235, 111272), (1330, 103324), (1729, 79480), (1820, 75506), (1976, 69545), (1987, 69160), (2470, 55636), (2660, 51662), (3458, 39740), (3640, 37753), (3974, 34580), (4940, 27818), (5320, 25831), (6916, 19870), (7948, 17290), (8645, 15896), (9880, 13909), (9935, 13832)]