211194940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{179}}^1$

素因数の和:403

約数の個数: 96

約数和(自身を含む): 505128960

約数和(自身を除く): 293934020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 173, 179, 220, 310, 341, 346, 358, 620, 682, 692, 716, 865, 895, 1364, 1705, 1730, 1790, 1903, 1969, 3410, 3460, 3580, 3806, 3938, 5363, 5549, 6820, 7612, 7876, 9515, 9845, 10726, 11098, 19030, 19690, 21452, 22196, 26815, 27745, 30967, 38060, 39380, 53630, 55490, 58993, 61039, 61934, 107260, 110980, 117986, 122078, 123868, 154835, 235972, 244156, 294965, 305195, 309670, 340637, 589930, 610390, 619340, 681274, 959977, 1179860, 1220780, 1362548, 1703185, 1919954, 3406370, 3839908, 4799885, 6812740, 9599770, 10559747, 19199540, 21119494, 42238988, 52798735, 105597470, 211194940]

約数ペア:

[(1, 211194940), (2, 105597470), (4, 52798735), (5, 42238988), (10, 21119494), (11, 19199540), (20, 10559747), (22, 9599770), (31, 6812740), (44, 4799885), (55, 3839908), (62, 3406370), (110, 1919954), (124, 1703185), (155, 1362548), (173, 1220780), (179, 1179860), (220, 959977), (310, 681274), (341, 619340), (346, 610390), (358, 589930), (620, 340637), (682, 309670), (692, 305195), (716, 294965), (865, 244156), (895, 235972), (1364, 154835), (1705, 123868), (1730, 122078), (1790, 117986), (1903, 110980), (1969, 107260), (3410, 61934), (3460, 61039), (3580, 58993), (3806, 55490), (3938, 53630), (5363, 39380), (5549, 38060), (6820, 30967), (7612, 27745), (7876, 26815), (9515, 22196), (9845, 21452), (10726, 19690), (11098, 19030)]