177702980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{389}}^1$

素因数の和:669

約数の個数: 96

約数和(自身を含む): 462309120

約数和(自身を除く): 284606140

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 251, 260, 364, 389, 455, 502, 778, 910, 1004, 1255, 1556, 1757, 1820, 1945, 2510, 2723, 3263, 3514, 3890, 5020, 5057, 5446, 6526, 7028, 7780, 8785, 10114, 10892, 13052, 13615, 16315, 17570, 20228, 22841, 25285, 27230, 32630, 35140, 35399, 45682, 50570, 54460, 65260, 70798, 91364, 97639, 101140, 114205, 141596, 176995, 195278, 228410, 353990, 390556, 456820, 488195, 683473, 707980, 976390, 1269307, 1366946, 1952780, 2538614, 2733892, 3417365, 5077228, 6346535, 6834730, 8885149, 12693070, 13669460, 17770298, 25386140, 35540596, 44425745, 88851490, 177702980]

約数ペア:

[(1, 177702980), (2, 88851490), (4, 44425745), (5, 35540596), (7, 25386140), (10, 17770298), (13, 13669460), (14, 12693070), (20, 8885149), (26, 6834730), (28, 6346535), (35, 5077228), (52, 3417365), (65, 2733892), (70, 2538614), (91, 1952780), (130, 1366946), (140, 1269307), (182, 976390), (251, 707980), (260, 683473), (364, 488195), (389, 456820), (455, 390556), (502, 353990), (778, 228410), (910, 195278), (1004, 176995), (1255, 141596), (1556, 114205), (1757, 101140), (1820, 97639), (1945, 91364), (2510, 70798), (2723, 65260), (3263, 54460), (3514, 50570), (3890, 45682), (5020, 35399), (5057, 35140), (5446, 32630), (6526, 27230), (7028, 25285), (7780, 22841), (8785, 20228), (10114, 17570), (10892, 16315), (13052, 13615)]