254756250

素因数分解:

$2^1\times 3^2\times 5^5\times 7^1\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 144

約数和(自身を含む): 789699456

約数和(自身を除く): 534943206

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 315, 350, 375, 450, 525, 625, 630, 647, 750, 875, 1050, 1125, 1250, 1294, 1575, 1750, 1875, 1941, 2250, 2625, 3125, 3150, 3235, 3750, 3882, 4375, 4529, 5250, 5625, 5823, 6250, 6470, 7875, 8750, 9058, 9375, 9705, 11250, 11646, 13125, 13587, 15750, 16175, 18750, 19410, 21875, 22645, 26250, 27174, 28125, 29115, 32350, 39375, 40761, 43750, 45290, 48525, 56250, 58230, 65625, 67935, 78750, 80875, 81522, 97050, 113225, 131250, 135870, 145575, 161750, 196875, 203805, 226450, 242625, 291150, 339675, 393750, 404375, 407610, 485250, 566125, 679350, 727875, 808750, 1019025, 1132250, 1213125, 1455750, 1698375, 2021875, 2038050, 2426250, 2830625, 3396750, 3639375, 4043750, 5095125, 5661250, 6065625, 7278750, 8491875, 10190250, 12131250, 14153125, 16983750, 18196875, 25475625, 28306250, 36393750, 42459375, 50951250, 84918750, 127378125, 254756250]

約数ペア:

[(1, 254756250), (2, 127378125), (3, 84918750), (5, 50951250), (6, 42459375), (7, 36393750), (9, 28306250), (10, 25475625), (14, 18196875), (15, 16983750), (18, 14153125), (21, 12131250), (25, 10190250), (30, 8491875), (35, 7278750), (42, 6065625), (45, 5661250), (50, 5095125), (63, 4043750), (70, 3639375), (75, 3396750), (90, 2830625), (105, 2426250), (125, 2038050), (126, 2021875), (150, 1698375), (175, 1455750), (210, 1213125), (225, 1132250), (250, 1019025), (315, 808750), (350, 727875), (375, 679350), (450, 566125), (525, 485250), (625, 407610), (630, 404375), (647, 393750), (750, 339675), (875, 291150), (1050, 242625), (1125, 226450), (1250, 203805), (1294, 196875), (1575, 161750), (1750, 145575), (1875, 135870), (1941, 131250), (2250, 113225), (2625, 97050), (3125, 81522), (3150, 80875), (3235, 78750), (3750, 67935), (3882, 65625), (4375, 58230), (4529, 56250), (5250, 48525), (5625, 45290), (5823, 43750), (6250, 40761), (6470, 39375), (7875, 32350), (8750, 29115), (9058, 28125), (9375, 27174), (9705, 26250), (11250, 22645), (11646, 21875), (13125, 19410), (13587, 18750), (15750, 16175)]