278313900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{311}}^1$

素因数の和:504

約数の個数: 144

約数和(自身を含む): 855778560

約数和(自身を除く): 577464660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 157, 190, 228, 285, 300, 311, 314, 380, 471, 475, 570, 622, 628, 785, 933, 942, 950, 1140, 1244, 1425, 1555, 1570, 1866, 1884, 1900, 2355, 2850, 2983, 3110, 3140, 3732, 3925, 4665, 4710, 5700, 5909, 5966, 6220, 7775, 7850, 8949, 9330, 9420, 11775, 11818, 11932, 14915, 15550, 15700, 17727, 17898, 18660, 23325, 23550, 23636, 29545, 29830, 31100, 35454, 35796, 44745, 46650, 47100, 48827, 59090, 59660, 70908, 74575, 88635, 89490, 93300, 97654, 118180, 146481, 147725, 149150, 177270, 178980, 195308, 223725, 244135, 292962, 295450, 298300, 354540, 443175, 447450, 488270, 585924, 590900, 732405, 886350, 894900, 927713, 976540, 1220675, 1464810, 1772700, 1855426, 2441350, 2783139, 2929620, 3662025, 3710852, 4638565, 4882700, 5566278, 7324050, 9277130, 11132556, 13915695, 14648100, 18554260, 23192825, 27831390, 46385650, 55662780, 69578475, 92771300, 139156950, 278313900]

約数ペア:

[(1, 278313900), (2, 139156950), (3, 92771300), (4, 69578475), (5, 55662780), (6, 46385650), (10, 27831390), (12, 23192825), (15, 18554260), (19, 14648100), (20, 13915695), (25, 11132556), (30, 9277130), (38, 7324050), (50, 5566278), (57, 4882700), (60, 4638565), (75, 3710852), (76, 3662025), (95, 2929620), (100, 2783139), (114, 2441350), (150, 1855426), (157, 1772700), (190, 1464810), (228, 1220675), (285, 976540), (300, 927713), (311, 894900), (314, 886350), (380, 732405), (471, 590900), (475, 585924), (570, 488270), (622, 447450), (628, 443175), (785, 354540), (933, 298300), (942, 295450), (950, 292962), (1140, 244135), (1244, 223725), (1425, 195308), (1555, 178980), (1570, 177270), (1866, 149150), (1884, 147725), (1900, 146481), (2355, 118180), (2850, 97654), (2983, 93300), (3110, 89490), (3140, 88635), (3732, 74575), (3925, 70908), (4665, 59660), (4710, 59090), (5700, 48827), (5909, 47100), (5966, 46650), (6220, 44745), (7775, 35796), (7850, 35454), (8949, 31100), (9330, 29830), (9420, 29545), (11775, 23636), (11818, 23550), (11932, 23325), (14915, 18660), (15550, 17898), (15700, 17727)]