318208577180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{397}}^1\times {\mathrm{18913}}^1$

素因数の和:19495

約数の個数: 96

約数和(自身を含む): 725918109504

約数和(自身を除く): 407709532324

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 163, 260, 326, 397, 652, 794, 815, 1588, 1630, 1985, 2119, 3260, 3970, 4238, 5161, 7940, 8476, 10322, 10595, 18913, 20644, 21190, 25805, 37826, 42380, 51610, 64711, 75652, 94565, 103220, 129422, 189130, 245869, 258844, 323555, 378260, 491738, 647110, 841243, 983476, 1229345, 1294220, 1682486, 2458690, 3082819, 3364972, 4206215, 4917380, 6165638, 7508461, 8412430, 12331276, 15016922, 15414095, 16824860, 30033844, 30828190, 37542305, 40076647, 61656380, 75084610, 80153294, 97609993, 150169220, 160306588, 195219986, 200383235, 390439972, 400766470, 488049965, 801532940, 976099930, 1223879143, 1952199860, 2447758286, 4895516572, 6119395715, 12238791430, 15910428859, 24477582860, 31820857718, 63641715436, 79552144295, 159104288590, 318208577180]

約数ペア:

[(1, 318208577180), (2, 159104288590), (4, 79552144295), (5, 63641715436), (10, 31820857718), (13, 24477582860), (20, 15910428859), (26, 12238791430), (52, 6119395715), (65, 4895516572), (130, 2447758286), (163, 1952199860), (260, 1223879143), (326, 976099930), (397, 801532940), (652, 488049965), (794, 400766470), (815, 390439972), (1588, 200383235), (1630, 195219986), (1985, 160306588), (2119, 150169220), (3260, 97609993), (3970, 80153294), (4238, 75084610), (5161, 61656380), (7940, 40076647), (8476, 37542305), (10322, 30828190), (10595, 30033844), (18913, 16824860), (20644, 15414095), (21190, 15016922), (25805, 12331276), (37826, 8412430), (42380, 7508461), (51610, 6165638), (64711, 4917380), (75652, 4206215), (94565, 3364972), (103220, 3082819), (129422, 2458690), (189130, 1682486), (245869, 1294220), (258844, 1229345), (323555, 983476), (378260, 841243), (491738, 647110)]