28544950

素因数分解:

$2^1\times 5^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:278

約数の個数: 72

約数和(自身を含む): 63103104

約数和(自身を除く): 34558154

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 49, 50, 61, 70, 98, 122, 175, 191, 245, 305, 350, 382, 427, 490, 610, 854, 955, 1225, 1337, 1525, 1910, 2135, 2450, 2674, 2989, 3050, 4270, 4775, 5978, 6685, 9359, 9550, 10675, 11651, 13370, 14945, 18718, 21350, 23302, 29890, 33425, 46795, 58255, 66850, 74725, 81557, 93590, 116510, 149450, 163114, 233975, 291275, 407785, 467950, 570899, 582550, 815570, 1141798, 2038925, 2854495, 4077850, 5708990, 14272475, 28544950]

約数ペア:

[(1, 28544950), (2, 14272475), (5, 5708990), (7, 4077850), (10, 2854495), (14, 2038925), (25, 1141798), (35, 815570), (49, 582550), (50, 570899), (61, 467950), (70, 407785), (98, 291275), (122, 233975), (175, 163114), (191, 149450), (245, 116510), (305, 93590), (350, 81557), (382, 74725), (427, 66850), (490, 58255), (610, 46795), (854, 33425), (955, 29890), (1225, 23302), (1337, 21350), (1525, 18718), (1910, 14945), (2135, 13370), (2450, 11651), (2674, 10675), (2989, 9550), (3050, 9359), (4270, 6685), (4775, 5978)]