201257500

素因数分解:

$2^2\times 5^4\times {\mathrm{19}}^2\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 90

約数和(自身を含む): 466575648

約数和(自身を除く): 265318148

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 223, 250, 361, 380, 446, 475, 500, 625, 722, 892, 950, 1115, 1250, 1444, 1805, 1900, 2230, 2375, 2500, 3610, 4237, 4460, 4750, 5575, 7220, 8474, 9025, 9500, 11150, 11875, 16948, 18050, 21185, 22300, 23750, 27875, 36100, 42370, 45125, 47500, 55750, 80503, 84740, 90250, 105925, 111500, 139375, 161006, 180500, 211850, 225625, 278750, 322012, 402515, 423700, 451250, 529625, 557500, 805030, 902500, 1059250, 1610060, 2012575, 2118500, 2648125, 4025150, 5296250, 8050300, 10062875, 10592500, 20125750, 40251500, 50314375, 100628750, 201257500]

約数ペア:

[(1, 201257500), (2, 100628750), (4, 50314375), (5, 40251500), (10, 20125750), (19, 10592500), (20, 10062875), (25, 8050300), (38, 5296250), (50, 4025150), (76, 2648125), (95, 2118500), (100, 2012575), (125, 1610060), (190, 1059250), (223, 902500), (250, 805030), (361, 557500), (380, 529625), (446, 451250), (475, 423700), (500, 402515), (625, 322012), (722, 278750), (892, 225625), (950, 211850), (1115, 180500), (1250, 161006), (1444, 139375), (1805, 111500), (1900, 105925), (2230, 90250), (2375, 84740), (2500, 80503), (3610, 55750), (4237, 47500), (4460, 45125), (4750, 42370), (5575, 36100), (7220, 27875), (8474, 23750), (9025, 22300), (9500, 21185), (11150, 18050), (11875, 16948)]