253979320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{233}}^1$

素因数の和:497

約数の個数: 128

約数和(自身を含む): 697507200

約数和(自身を除く): 443527880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 229, 233, 238, 280, 340, 458, 466, 476, 595, 680, 916, 932, 952, 1145, 1165, 1190, 1603, 1631, 1832, 1864, 2290, 2330, 2380, 3206, 3262, 3893, 3961, 4580, 4660, 4760, 6412, 6524, 7786, 7922, 8015, 8155, 9160, 9320, 12824, 13048, 15572, 15844, 16030, 16310, 19465, 19805, 27251, 27727, 31144, 31688, 32060, 32620, 38930, 39610, 53357, 54502, 55454, 64120, 65240, 77860, 79220, 106714, 109004, 110908, 136255, 138635, 155720, 158440, 213428, 218008, 221816, 266785, 272510, 277270, 373499, 426856, 533570, 545020, 554540, 746998, 907069, 1067140, 1090040, 1109080, 1493996, 1814138, 1867495, 2134280, 2987992, 3628276, 3734990, 4535345, 6349483, 7256552, 7469980, 9070690, 12698966, 14939960, 18141380, 25397932, 31747415, 36282760, 50795864, 63494830, 126989660, 253979320]

約数ペア:

[(1, 253979320), (2, 126989660), (4, 63494830), (5, 50795864), (7, 36282760), (8, 31747415), (10, 25397932), (14, 18141380), (17, 14939960), (20, 12698966), (28, 9070690), (34, 7469980), (35, 7256552), (40, 6349483), (56, 4535345), (68, 3734990), (70, 3628276), (85, 2987992), (119, 2134280), (136, 1867495), (140, 1814138), (170, 1493996), (229, 1109080), (233, 1090040), (238, 1067140), (280, 907069), (340, 746998), (458, 554540), (466, 545020), (476, 533570), (595, 426856), (680, 373499), (916, 277270), (932, 272510), (952, 266785), (1145, 221816), (1165, 218008), (1190, 213428), (1603, 158440), (1631, 155720), (1832, 138635), (1864, 136255), (2290, 110908), (2330, 109004), (2380, 106714), (3206, 79220), (3262, 77860), (3893, 65240), (3961, 64120), (4580, 55454), (4660, 54502), (4760, 53357), (6412, 39610), (6524, 38930), (7786, 32620), (7922, 32060), (8015, 31688), (8155, 31144), (9160, 27727), (9320, 27251), (12824, 19805), (13048, 19465), (15572, 16310), (15844, 16030)]