405780340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1931}}^1$

素因数の和:2045

約数の個数: 96

約数和(自身を含む): 1038643200

約数和(自身を除く): 632862860

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 79, 95, 133, 140, 158, 190, 266, 316, 380, 395, 532, 553, 665, 790, 1106, 1330, 1501, 1580, 1931, 2212, 2660, 2765, 3002, 3862, 5530, 6004, 7505, 7724, 9655, 10507, 11060, 13517, 15010, 19310, 21014, 27034, 30020, 36689, 38620, 42028, 52535, 54068, 67585, 73378, 105070, 135170, 146756, 152549, 183445, 210140, 256823, 270340, 305098, 366890, 513646, 610196, 733780, 762745, 1027292, 1067843, 1284115, 1525490, 2135686, 2568230, 2898431, 3050980, 4271372, 5136460, 5339215, 5796862, 10678430, 11593724, 14492155, 20289017, 21356860, 28984310, 40578034, 57968620, 81156068, 101445085, 202890170, 405780340]

約数ペア:

[(1, 405780340), (2, 202890170), (4, 101445085), (5, 81156068), (7, 57968620), (10, 40578034), (14, 28984310), (19, 21356860), (20, 20289017), (28, 14492155), (35, 11593724), (38, 10678430), (70, 5796862), (76, 5339215), (79, 5136460), (95, 4271372), (133, 3050980), (140, 2898431), (158, 2568230), (190, 2135686), (266, 1525490), (316, 1284115), (380, 1067843), (395, 1027292), (532, 762745), (553, 733780), (665, 610196), (790, 513646), (1106, 366890), (1330, 305098), (1501, 270340), (1580, 256823), (1931, 210140), (2212, 183445), (2660, 152549), (2765, 146756), (3002, 135170), (3862, 105070), (5530, 73378), (6004, 67585), (7505, 54068), (7724, 52535), (9655, 42028), (10507, 38620), (11060, 36689), (13517, 30020), (15010, 27034), (19310, 21014)]