204686800

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1037

約数の個数: 120

約数和(自身を含む): 538036992

約数和(自身を除く): 333350192

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 31, 34, 40, 50, 62, 68, 80, 85, 100, 124, 136, 155, 170, 200, 248, 272, 310, 340, 400, 425, 496, 527, 620, 680, 775, 850, 971, 1054, 1240, 1360, 1550, 1700, 1942, 2108, 2480, 2635, 3100, 3400, 3884, 4216, 4855, 5270, 6200, 6800, 7768, 8432, 9710, 10540, 12400, 13175, 15536, 16507, 19420, 21080, 24275, 26350, 30101, 33014, 38840, 42160, 48550, 52700, 60202, 66028, 77680, 82535, 97100, 105400, 120404, 132056, 150505, 165070, 194200, 210800, 240808, 264112, 301010, 330140, 388400, 412675, 481616, 511717, 602020, 660280, 752525, 825350, 1023434, 1204040, 1320560, 1505050, 1650700, 2046868, 2408080, 2558585, 3010100, 3301400, 4093736, 5117170, 6020200, 6602800, 8187472, 10234340, 12040400, 12792925, 20468680, 25585850, 40937360, 51171700, 102343400, 204686800]

約数ペア:

[(1, 204686800), (2, 102343400), (4, 51171700), (5, 40937360), (8, 25585850), (10, 20468680), (16, 12792925), (17, 12040400), (20, 10234340), (25, 8187472), (31, 6602800), (34, 6020200), (40, 5117170), (50, 4093736), (62, 3301400), (68, 3010100), (80, 2558585), (85, 2408080), (100, 2046868), (124, 1650700), (136, 1505050), (155, 1320560), (170, 1204040), (200, 1023434), (248, 825350), (272, 752525), (310, 660280), (340, 602020), (400, 511717), (425, 481616), (496, 412675), (527, 388400), (620, 330140), (680, 301010), (775, 264112), (850, 240808), (971, 210800), (1054, 194200), (1240, 165070), (1360, 150505), (1550, 132056), (1700, 120404), (1942, 105400), (2108, 97100), (2480, 82535), (2635, 77680), (3100, 66028), (3400, 60202), (3884, 52700), (4216, 48550), (4855, 42160), (5270, 38840), (6200, 33014), (6800, 30101), (7768, 26350), (8432, 24275), (9710, 21080), (10540, 19420), (12400, 16507), (13175, 15536)]