201329500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:500

約数の個数: 72

約数和(自身を含む): 455429520

約数和(自身を除く): 254100020

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 419, 500, 620, 775, 838, 961, 1550, 1676, 1922, 2095, 3100, 3844, 3875, 4190, 4805, 7750, 8380, 9610, 10475, 12989, 15500, 19220, 20950, 24025, 25978, 41900, 48050, 51956, 52375, 64945, 96100, 104750, 120125, 129890, 209500, 240250, 259780, 324725, 402659, 480500, 649450, 805318, 1298900, 1610636, 1623625, 2013295, 3247250, 4026590, 6494500, 8053180, 10066475, 20132950, 40265900, 50332375, 100664750, 201329500]

約数ペア:

[(1, 201329500), (2, 100664750), (4, 50332375), (5, 40265900), (10, 20132950), (20, 10066475), (25, 8053180), (31, 6494500), (50, 4026590), (62, 3247250), (100, 2013295), (124, 1623625), (125, 1610636), (155, 1298900), (250, 805318), (310, 649450), (419, 480500), (500, 402659), (620, 324725), (775, 259780), (838, 240250), (961, 209500), (1550, 129890), (1676, 120125), (1922, 104750), (2095, 96100), (3100, 64945), (3844, 52375), (3875, 51956), (4190, 48050), (4805, 41900), (7750, 25978), (8380, 24025), (9610, 20950), (10475, 19220), (12989, 15500)]