28026460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18199}}^1$

素因数の和:18226

約数の個数: 48

約数和(自身を含む): 73382400

約数和(自身を除く): 45355940

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 18199, 36398, 72796, 90995, 127393, 181990, 200189, 254786, 363980, 400378, 509572, 636965, 800756, 1000945, 1273930, 1401323, 2001890, 2547860, 2802646, 4003780, 5605292, 7006615, 14013230, 28026460]

約数ペア:

[(1, 28026460), (2, 14013230), (4, 7006615), (5, 5605292), (7, 4003780), (10, 2802646), (11, 2547860), (14, 2001890), (20, 1401323), (22, 1273930), (28, 1000945), (35, 800756), (44, 636965), (55, 509572), (70, 400378), (77, 363980), (110, 254786), (140, 200189), (154, 181990), (220, 127393), (308, 90995), (385, 72796), (770, 36398), (1540, 18199)]