1880348540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{673}}^1\times {\mathrm{2851}}^1$

素因数の和:3547

約数の個数: 72

約数和(自身を含む): 4601861712

約数和(自身を除く): 2721513172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 673, 980, 1346, 2692, 2851, 3365, 4711, 5702, 6730, 9422, 11404, 13460, 14255, 18844, 19957, 23555, 28510, 32977, 39914, 47110, 57020, 65954, 79828, 94220, 99785, 131908, 139699, 164885, 199570, 279398, 329770, 399140, 558796, 659540, 698495, 1396990, 1918723, 2793980, 3837446, 7674892, 9593615, 13431061, 19187230, 26862122, 38374460, 53724244, 67155305, 94017427, 134310610, 188034854, 268621220, 376069708, 470087135, 940174270, 1880348540]

約数ペア:

[(1, 1880348540), (2, 940174270), (4, 470087135), (5, 376069708), (7, 268621220), (10, 188034854), (14, 134310610), (20, 94017427), (28, 67155305), (35, 53724244), (49, 38374460), (70, 26862122), (98, 19187230), (140, 13431061), (196, 9593615), (245, 7674892), (490, 3837446), (673, 2793980), (980, 1918723), (1346, 1396990), (2692, 698495), (2851, 659540), (3365, 558796), (4711, 399140), (5702, 329770), (6730, 279398), (9422, 199570), (11404, 164885), (13460, 139699), (14255, 131908), (18844, 99785), (19957, 94220), (23555, 79828), (28510, 65954), (32977, 57020), (39914, 47110)]