201722950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1$

素因数の和:442

約数の個数: 96

約数和(自身を含む): 447158880

約数和(自身を除く): 245435930

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 89, 110, 130, 143, 178, 275, 286, 317, 325, 445, 550, 634, 650, 715, 890, 979, 1157, 1430, 1585, 1958, 2225, 2314, 3170, 3487, 3575, 4121, 4450, 4895, 5785, 6974, 7150, 7925, 8242, 9790, 11570, 12727, 15850, 17435, 20605, 24475, 25454, 28213, 28925, 34870, 41210, 45331, 48950, 56426, 57850, 63635, 87175, 90662, 103025, 127270, 141065, 174350, 206050, 226655, 282130, 310343, 318175, 366769, 453310, 620686, 636350, 705325, 733538, 1133275, 1410650, 1551715, 1833845, 2266550, 3103430, 3667690, 4034459, 7758575, 8068918, 9169225, 15517150, 18338450, 20172295, 40344590, 100861475, 201722950]

約数ペア:

[(1, 201722950), (2, 100861475), (5, 40344590), (10, 20172295), (11, 18338450), (13, 15517150), (22, 9169225), (25, 8068918), (26, 7758575), (50, 4034459), (55, 3667690), (65, 3103430), (89, 2266550), (110, 1833845), (130, 1551715), (143, 1410650), (178, 1133275), (275, 733538), (286, 705325), (317, 636350), (325, 620686), (445, 453310), (550, 366769), (634, 318175), (650, 310343), (715, 282130), (890, 226655), (979, 206050), (1157, 174350), (1430, 141065), (1585, 127270), (1958, 103025), (2225, 90662), (2314, 87175), (3170, 63635), (3487, 57850), (3575, 56426), (4121, 48950), (4450, 45331), (4895, 41210), (5785, 34870), (6974, 28925), (7150, 28213), (7925, 25454), (8242, 24475), (9790, 20605), (11570, 17435), (12727, 15850)]