291465460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{457}}^1$

素因数の和:713

約数の個数: 96

約数和(自身を含む): 723889152

約数和(自身を除く): 432423692

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 223, 260, 286, 446, 457, 572, 715, 892, 914, 1115, 1430, 1828, 2230, 2285, 2453, 2860, 2899, 4460, 4570, 4906, 5027, 5798, 5941, 9140, 9812, 10054, 11596, 11882, 12265, 14495, 20108, 23764, 24530, 25135, 28990, 29705, 31889, 49060, 50270, 57980, 59410, 63778, 65351, 100540, 101911, 118820, 127556, 130702, 159445, 203822, 261404, 318890, 326755, 407644, 509555, 637780, 653510, 1019110, 1121021, 1307020, 1324843, 2038220, 2242042, 2649686, 4484084, 5299372, 5605105, 6624215, 11210210, 13248430, 14573273, 22420420, 26496860, 29146546, 58293092, 72866365, 145732730, 291465460]

約数ペア:

[(1, 291465460), (2, 145732730), (4, 72866365), (5, 58293092), (10, 29146546), (11, 26496860), (13, 22420420), (20, 14573273), (22, 13248430), (26, 11210210), (44, 6624215), (52, 5605105), (55, 5299372), (65, 4484084), (110, 2649686), (130, 2242042), (143, 2038220), (220, 1324843), (223, 1307020), (260, 1121021), (286, 1019110), (446, 653510), (457, 637780), (572, 509555), (715, 407644), (892, 326755), (914, 318890), (1115, 261404), (1430, 203822), (1828, 159445), (2230, 130702), (2285, 127556), (2453, 118820), (2860, 101911), (2899, 100540), (4460, 65351), (4570, 63778), (4906, 59410), (5027, 57980), (5798, 50270), (5941, 49060), (9140, 31889), (9812, 29705), (10054, 28990), (11596, 25135), (11882, 24530), (12265, 23764), (14495, 20108)]