15685450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 34015680

約数和(自身を除く): 18330230

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 79, 95, 110, 158, 190, 209, 275, 361, 395, 418, 475, 550, 722, 790, 869, 950, 1045, 1501, 1738, 1805, 1975, 2090, 3002, 3610, 3950, 3971, 4345, 5225, 7505, 7942, 8690, 9025, 10450, 15010, 16511, 18050, 19855, 21725, 28519, 33022, 37525, 39710, 43450, 57038, 75050, 82555, 99275, 142595, 165110, 198550, 285190, 313709, 412775, 627418, 712975, 825550, 1425950, 1568545, 3137090, 7842725, 15685450]

約数ペア:

[(1, 15685450), (2, 7842725), (5, 3137090), (10, 1568545), (11, 1425950), (19, 825550), (22, 712975), (25, 627418), (38, 412775), (50, 313709), (55, 285190), (79, 198550), (95, 165110), (110, 142595), (158, 99275), (190, 82555), (209, 75050), (275, 57038), (361, 43450), (395, 39710), (418, 37525), (475, 33022), (550, 28519), (722, 21725), (790, 19855), (869, 18050), (950, 16511), (1045, 15010), (1501, 10450), (1738, 9025), (1805, 8690), (1975, 7942), (2090, 7505), (3002, 5225), (3610, 4345), (3950, 3971)]