670998412

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:655

約数の個数: 72

約数和(自身を含む): 1421431200

約数和(自身を除く): 750432788

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 89, 92, 161, 178, 322, 356, 509, 529, 623, 644, 1018, 1058, 1246, 2036, 2047, 2116, 2492, 3563, 3703, 4094, 7126, 7406, 8188, 11707, 14252, 14329, 14812, 23414, 28658, 45301, 46828, 47081, 57316, 81949, 90602, 94162, 163898, 181204, 188324, 269261, 317107, 327796, 329567, 538522, 634214, 659134, 1041923, 1077044, 1268428, 1318268, 1884827, 2083846, 3769654, 4167692, 7293461, 7539308, 14586922, 23964229, 29173844, 47928458, 95856916, 167749603, 335499206, 670998412]

約数ペア:

[(1, 670998412), (2, 335499206), (4, 167749603), (7, 95856916), (14, 47928458), (23, 29173844), (28, 23964229), (46, 14586922), (89, 7539308), (92, 7293461), (161, 4167692), (178, 3769654), (322, 2083846), (356, 1884827), (509, 1318268), (529, 1268428), (623, 1077044), (644, 1041923), (1018, 659134), (1058, 634214), (1246, 538522), (2036, 329567), (2047, 327796), (2116, 317107), (2492, 269261), (3563, 188324), (3703, 181204), (4094, 163898), (7126, 94162), (7406, 90602), (8188, 81949), (11707, 57316), (14252, 47081), (14329, 46828), (14812, 45301), (23414, 28658)]