2431674340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{2423}}^1$

素因数の和:2609

約数の個数: 72

約数和(自身を含む): 5430438720

約数和(自身を除く): 2998764380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 139, 190, 278, 361, 380, 556, 695, 722, 1390, 1444, 1805, 2423, 2641, 2780, 3610, 4846, 5282, 7220, 9692, 10564, 12115, 13205, 24230, 26410, 46037, 48460, 50179, 52820, 92074, 100358, 184148, 200716, 230185, 250895, 336797, 460370, 501790, 673594, 874703, 920740, 1003580, 1347188, 1683985, 1749406, 3367970, 3498812, 4373515, 6399143, 6735940, 8747030, 12798286, 17494060, 25596572, 31995715, 63991430, 121583717, 127982860, 243167434, 486334868, 607918585, 1215837170, 2431674340]

約数ペア:

[(1, 2431674340), (2, 1215837170), (4, 607918585), (5, 486334868), (10, 243167434), (19, 127982860), (20, 121583717), (38, 63991430), (76, 31995715), (95, 25596572), (139, 17494060), (190, 12798286), (278, 8747030), (361, 6735940), (380, 6399143), (556, 4373515), (695, 3498812), (722, 3367970), (1390, 1749406), (1444, 1683985), (1805, 1347188), (2423, 1003580), (2641, 920740), (2780, 874703), (3610, 673594), (4846, 501790), (5282, 460370), (7220, 336797), (9692, 250895), (10564, 230185), (12115, 200716), (13205, 184148), (24230, 100358), (26410, 92074), (46037, 52820), (48460, 50179)]