648300610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1979}}^1$

素因数の和:2091

約数の個数: 64

約数和(自身を含む): 1293304320

約数和(自身を除く): 645003710

約数列:

[1, 2, 5, 10, 17, 34, 41, 47, 82, 85, 94, 170, 205, 235, 410, 470, 697, 799, 1394, 1598, 1927, 1979, 3485, 3854, 3958, 3995, 6970, 7990, 9635, 9895, 19270, 19790, 32759, 33643, 65518, 67286, 81139, 93013, 162278, 163795, 168215, 186026, 327590, 336430, 405695, 465065, 811390, 930130, 1379363, 1581221, 2758726, 3162442, 3813533, 6896815, 7627066, 7906105, 13793630, 15812210, 19067665, 38135330, 64830061, 129660122, 324150305, 648300610]

約数ペア:

[(1, 648300610), (2, 324150305), (5, 129660122), (10, 64830061), (17, 38135330), (34, 19067665), (41, 15812210), (47, 13793630), (82, 7906105), (85, 7627066), (94, 6896815), (170, 3813533), (205, 3162442), (235, 2758726), (410, 1581221), (470, 1379363), (697, 930130), (799, 811390), (1394, 465065), (1598, 405695), (1927, 336430), (1979, 327590), (3485, 186026), (3854, 168215), (3958, 163795), (3995, 162278), (6970, 93013), (7990, 81139), (9635, 67286), (9895, 65518), (19270, 33643), (19790, 32759)]