254355920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{34939}}^1$

素因数の和:34972

約数の個数: 80

約数和(自身を含む): 727870080

約数和(自身を除く): 473514160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 34939, 69878, 139756, 174695, 244573, 279512, 349390, 454207, 489146, 559024, 698780, 908414, 978292, 1222865, 1397560, 1816828, 1956584, 2271035, 2445730, 2795120, 3179449, 3633656, 3913168, 4542070, 4891460, 6358898, 7267312, 9084140, 9782920, 12717796, 15897245, 18168280, 19565840, 25435592, 31794490, 36336560, 50871184, 63588980, 127177960, 254355920]

約数ペア:

[(1, 254355920), (2, 127177960), (4, 63588980), (5, 50871184), (7, 36336560), (8, 31794490), (10, 25435592), (13, 19565840), (14, 18168280), (16, 15897245), (20, 12717796), (26, 9782920), (28, 9084140), (35, 7267312), (40, 6358898), (52, 4891460), (56, 4542070), (65, 3913168), (70, 3633656), (80, 3179449), (91, 2795120), (104, 2445730), (112, 2271035), (130, 1956584), (140, 1816828), (182, 1397560), (208, 1222865), (260, 978292), (280, 908414), (364, 698780), (455, 559024), (520, 489146), (560, 454207), (728, 349390), (910, 279512), (1040, 244573), (1456, 174695), (1820, 139756), (3640, 69878), (7280, 34939)]