628358420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:513

約数の個数: 96

約数和(自身を含む): 1447891200

約数和(自身を除く): 819532780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 199, 251, 340, 370, 398, 502, 629, 740, 796, 995, 1004, 1255, 1258, 1990, 2510, 2516, 3145, 3383, 3980, 4267, 5020, 6290, 6766, 7363, 8534, 9287, 12580, 13532, 14726, 16915, 17068, 18574, 21335, 29452, 33830, 36815, 37148, 42670, 46435, 49949, 67660, 73630, 85340, 92870, 99898, 125171, 147260, 157879, 185740, 199796, 249745, 250342, 315758, 499490, 500684, 625855, 631516, 789395, 849133, 998980, 1251710, 1578790, 1698266, 1848113, 2503420, 3157580, 3396532, 3696226, 4245665, 7392452, 8491330, 9240565, 16982660, 18481130, 31417921, 36962260, 62835842, 125671684, 157089605, 314179210, 628358420]

約数ペア:

[(1, 628358420), (2, 314179210), (4, 157089605), (5, 125671684), (10, 62835842), (17, 36962260), (20, 31417921), (34, 18481130), (37, 16982660), (68, 9240565), (74, 8491330), (85, 7392452), (148, 4245665), (170, 3696226), (185, 3396532), (199, 3157580), (251, 2503420), (340, 1848113), (370, 1698266), (398, 1578790), (502, 1251710), (629, 998980), (740, 849133), (796, 789395), (995, 631516), (1004, 625855), (1255, 500684), (1258, 499490), (1990, 315758), (2510, 250342), (2516, 249745), (3145, 199796), (3383, 185740), (3980, 157879), (4267, 147260), (5020, 125171), (6290, 99898), (6766, 92870), (7363, 85340), (8534, 73630), (9287, 67660), (12580, 49949), (13532, 46435), (14726, 42670), (16915, 37148), (17068, 36815), (18574, 33830), (21335, 29452)]