68498870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 64

約数和(自身を含む): 141134400

約数和(自身を除く): 72635530

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 109, 110, 145, 197, 218, 290, 319, 394, 545, 638, 985, 1090, 1199, 1595, 1970, 2167, 2398, 3161, 3190, 4334, 5713, 5995, 6322, 10835, 11426, 11990, 15805, 21473, 21670, 28565, 31610, 34771, 42946, 57130, 62843, 69542, 107365, 125686, 173855, 214730, 236203, 314215, 347710, 472406, 622717, 628430, 1181015, 1245434, 2362030, 3113585, 6227170, 6849887, 13699774, 34249435, 68498870]

約数ペア:

[(1, 68498870), (2, 34249435), (5, 13699774), (10, 6849887), (11, 6227170), (22, 3113585), (29, 2362030), (55, 1245434), (58, 1181015), (109, 628430), (110, 622717), (145, 472406), (197, 347710), (218, 314215), (290, 236203), (319, 214730), (394, 173855), (545, 125686), (638, 107365), (985, 69542), (1090, 62843), (1199, 57130), (1595, 42946), (1970, 34771), (2167, 31610), (2398, 28565), (3161, 21670), (3190, 21473), (4334, 15805), (5713, 11990), (5995, 11426), (6322, 10835)]