28640590

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 59885568

約数和(自身を除く): 31244978

約数列:

[1, 2, 5, 10, 11, 22, 31, 37, 55, 62, 74, 110, 155, 185, 227, 310, 341, 370, 407, 454, 682, 814, 1135, 1147, 1705, 2035, 2270, 2294, 2497, 3410, 4070, 4994, 5735, 7037, 8399, 11470, 12485, 12617, 14074, 16798, 24970, 25234, 35185, 41995, 63085, 70370, 77407, 83990, 92389, 126170, 154814, 184778, 260369, 387035, 461945, 520738, 774070, 923890, 1301845, 2603690, 2864059, 5728118, 14320295, 28640590]

約数ペア:

[(1, 28640590), (2, 14320295), (5, 5728118), (10, 2864059), (11, 2603690), (22, 1301845), (31, 923890), (37, 774070), (55, 520738), (62, 461945), (74, 387035), (110, 260369), (155, 184778), (185, 154814), (227, 126170), (310, 92389), (341, 83990), (370, 77407), (407, 70370), (454, 63085), (682, 41995), (814, 35185), (1135, 25234), (1147, 24970), (1705, 16798), (2035, 14074), (2270, 12617), (2294, 12485), (2497, 11470), (3410, 8399), (4070, 7037), (4994, 5735)]