290218900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5507}}^1$

素因数の和:5569

約数の個数: 72

約数和(自身を含む): 688455936

約数和(自身を除く): 398237036

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 31, 34, 50, 62, 68, 85, 100, 124, 155, 170, 310, 340, 425, 527, 620, 775, 850, 1054, 1550, 1700, 2108, 2635, 3100, 5270, 5507, 10540, 11014, 13175, 22028, 26350, 27535, 52700, 55070, 93619, 110140, 137675, 170717, 187238, 275350, 341434, 374476, 468095, 550700, 682868, 853585, 936190, 1707170, 1872380, 2340475, 2902189, 3414340, 4267925, 4680950, 5804378, 8535850, 9361900, 11608756, 14510945, 17071700, 29021890, 58043780, 72554725, 145109450, 290218900]

約数ペア:

[(1, 290218900), (2, 145109450), (4, 72554725), (5, 58043780), (10, 29021890), (17, 17071700), (20, 14510945), (25, 11608756), (31, 9361900), (34, 8535850), (50, 5804378), (62, 4680950), (68, 4267925), (85, 3414340), (100, 2902189), (124, 2340475), (155, 1872380), (170, 1707170), (310, 936190), (340, 853585), (425, 682868), (527, 550700), (620, 468095), (775, 374476), (850, 341434), (1054, 275350), (1550, 187238), (1700, 170717), (2108, 137675), (2635, 110140), (3100, 93619), (5270, 55070), (5507, 52700), (10540, 27535), (11014, 26350), (13175, 22028)]