219349980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{739}}^1$

素因数の和:868

約数の個数: 144

約数和(自身を含む): 712726560

約数和(自身を除く): 493376580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 97, 102, 153, 170, 180, 194, 204, 255, 291, 306, 340, 388, 485, 510, 582, 612, 739, 765, 873, 970, 1020, 1164, 1455, 1478, 1530, 1649, 1746, 1940, 2217, 2910, 2956, 3060, 3298, 3492, 3695, 4365, 4434, 4947, 5820, 6596, 6651, 7390, 8245, 8730, 8868, 9894, 11085, 12563, 13302, 14780, 14841, 16490, 17460, 19788, 22170, 24735, 25126, 26604, 29682, 32980, 33255, 37689, 44340, 49470, 50252, 59364, 62815, 66510, 71683, 74205, 75378, 98940, 113067, 125630, 133020, 143366, 148410, 150756, 188445, 215049, 226134, 251260, 286732, 296820, 358415, 376890, 430098, 452268, 565335, 645147, 716830, 753780, 860196, 1075245, 1130670, 1218611, 1290294, 1433660, 2150490, 2261340, 2437222, 2580588, 3225735, 3655833, 4300980, 4874444, 6093055, 6451470, 7311666, 10967499, 12186110, 12902940, 14623332, 18279165, 21934998, 24372220, 36558330, 43869996, 54837495, 73116660, 109674990, 219349980]

約数ペア:

[(1, 219349980), (2, 109674990), (3, 73116660), (4, 54837495), (5, 43869996), (6, 36558330), (9, 24372220), (10, 21934998), (12, 18279165), (15, 14623332), (17, 12902940), (18, 12186110), (20, 10967499), (30, 7311666), (34, 6451470), (36, 6093055), (45, 4874444), (51, 4300980), (60, 3655833), (68, 3225735), (85, 2580588), (90, 2437222), (97, 2261340), (102, 2150490), (153, 1433660), (170, 1290294), (180, 1218611), (194, 1130670), (204, 1075245), (255, 860196), (291, 753780), (306, 716830), (340, 645147), (388, 565335), (485, 452268), (510, 430098), (582, 376890), (612, 358415), (739, 296820), (765, 286732), (873, 251260), (970, 226134), (1020, 215049), (1164, 188445), (1455, 150756), (1478, 148410), (1530, 143366), (1649, 133020), (1746, 125630), (1940, 113067), (2217, 98940), (2910, 75378), (2956, 74205), (3060, 71683), (3298, 66510), (3492, 62815), (3695, 59364), (4365, 50252), (4434, 49470), (4947, 44340), (5820, 37689), (6596, 33255), (6651, 32980), (7390, 29682), (8245, 26604), (8730, 25126), (8868, 24735), (9894, 22170), (11085, 19788), (12563, 17460), (13302, 16490), (14780, 14841)]