27270980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:281

約数の個数: 72

約数和(自身を含む): 64350720

約数和(自身を除く): 37079740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 59, 110, 118, 121, 191, 220, 236, 242, 295, 382, 484, 590, 605, 649, 764, 955, 1180, 1210, 1298, 1910, 2101, 2420, 2596, 3245, 3820, 4202, 6490, 7139, 8404, 10505, 11269, 12980, 14278, 21010, 22538, 23111, 28556, 35695, 42020, 45076, 46222, 56345, 71390, 92444, 112690, 115555, 123959, 142780, 225380, 231110, 247918, 462220, 495836, 619795, 1239590, 1363549, 2479180, 2727098, 5454196, 6817745, 13635490, 27270980]

約数ペア:

[(1, 27270980), (2, 13635490), (4, 6817745), (5, 5454196), (10, 2727098), (11, 2479180), (20, 1363549), (22, 1239590), (44, 619795), (55, 495836), (59, 462220), (110, 247918), (118, 231110), (121, 225380), (191, 142780), (220, 123959), (236, 115555), (242, 112690), (295, 92444), (382, 71390), (484, 56345), (590, 46222), (605, 45076), (649, 42020), (764, 35695), (955, 28556), (1180, 23111), (1210, 22538), (1298, 21010), (1910, 14278), (2101, 12980), (2420, 11269), (2596, 10505), (3245, 8404), (3820, 7139), (4202, 6490)]