201979308980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{167}}^1\times {\mathrm{62927}}^1$

素因数の和:63165

約数の個数: 72

約数和(自身を含む): 440911828224

約数和(自身を除く): 238932519244

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 167, 310, 334, 620, 668, 835, 961, 1670, 1922, 3340, 3844, 4805, 5177, 9610, 10354, 19220, 20708, 25885, 51770, 62927, 103540, 125854, 160487, 251708, 314635, 320974, 629270, 641948, 802435, 1258540, 1604870, 1950737, 3209740, 3901474, 7802948, 9753685, 10508809, 19507370, 21017618, 39014740, 42035236, 52544045, 60472847, 105088090, 120945694, 210176180, 241891388, 302364235, 325773079, 604728470, 651546158, 1209456940, 1303092316, 1628865395, 3257730790, 6515461580, 10098965449, 20197930898, 40395861796, 50494827245, 100989654490, 201979308980]

約数ペア:

[(1, 201979308980), (2, 100989654490), (4, 50494827245), (5, 40395861796), (10, 20197930898), (20, 10098965449), (31, 6515461580), (62, 3257730790), (124, 1628865395), (155, 1303092316), (167, 1209456940), (310, 651546158), (334, 604728470), (620, 325773079), (668, 302364235), (835, 241891388), (961, 210176180), (1670, 120945694), (1922, 105088090), (3340, 60472847), (3844, 52544045), (4805, 42035236), (5177, 39014740), (9610, 21017618), (10354, 19507370), (19220, 10508809), (20708, 9753685), (25885, 7802948), (51770, 3901474), (62927, 3209740), (103540, 1950737), (125854, 1604870), (160487, 1258540), (251708, 802435), (314635, 641948), (320974, 629270)]