554916280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{389}}^1\times {\mathrm{1877}}^1$

素因数の和:2296

約数の個数: 64

約数和(自身を含む): 1318356000

約数和(自身を除く): 763439720

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 389, 760, 778, 1556, 1877, 1945, 3112, 3754, 3890, 7391, 7508, 7780, 9385, 14782, 15016, 15560, 18770, 29564, 35663, 36955, 37540, 59128, 71326, 73910, 75080, 142652, 147820, 178315, 285304, 295640, 356630, 713260, 730153, 1426520, 1460306, 2920612, 3650765, 5841224, 7301530, 13872907, 14603060, 27745814, 29206120, 55491628, 69364535, 110983256, 138729070, 277458140, 554916280]

約数ペア:

[(1, 554916280), (2, 277458140), (4, 138729070), (5, 110983256), (8, 69364535), (10, 55491628), (19, 29206120), (20, 27745814), (38, 14603060), (40, 13872907), (76, 7301530), (95, 5841224), (152, 3650765), (190, 2920612), (380, 1460306), (389, 1426520), (760, 730153), (778, 713260), (1556, 356630), (1877, 295640), (1945, 285304), (3112, 178315), (3754, 147820), (3890, 142652), (7391, 75080), (7508, 73910), (7780, 71326), (9385, 59128), (14782, 37540), (15016, 36955), (15560, 35663), (18770, 29564)]