198340020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{64817}}^1$

素因数の和:64849

約数の個数: 72

約数和(自身を含む): 637031304

約数和(自身を除く): 438691284

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, 102, 153, 170, 180, 204, 255, 306, 340, 510, 612, 765, 1020, 1530, 3060, 64817, 129634, 194451, 259268, 324085, 388902, 583353, 648170, 777804, 972255, 1101889, 1166706, 1296340, 1944510, 2203778, 2333412, 2916765, 3305667, 3889020, 4407556, 5509445, 5833530, 6611334, 9917001, 11018890, 11667060, 13222668, 16528335, 19834002, 22037780, 33056670, 39668004, 49585005, 66113340, 99170010, 198340020]

約数ペア:

[(1, 198340020), (2, 99170010), (3, 66113340), (4, 49585005), (5, 39668004), (6, 33056670), (9, 22037780), (10, 19834002), (12, 16528335), (15, 13222668), (17, 11667060), (18, 11018890), (20, 9917001), (30, 6611334), (34, 5833530), (36, 5509445), (45, 4407556), (51, 3889020), (60, 3305667), (68, 2916765), (85, 2333412), (90, 2203778), (102, 1944510), (153, 1296340), (170, 1166706), (180, 1101889), (204, 972255), (255, 777804), (306, 648170), (340, 583353), (510, 388902), (612, 324085), (765, 259268), (1020, 194451), (1530, 129634), (3060, 64817)]