851222500

素因数分解:

$2^2\times 5^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 1968120000

約数和(自身を除く): 1116897500

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 50, 58, 59, 100, 116, 118, 125, 145, 199, 236, 250, 290, 295, 398, 500, 580, 590, 625, 725, 796, 995, 1180, 1250, 1450, 1475, 1711, 1990, 2500, 2900, 2950, 3422, 3625, 3980, 4975, 5771, 5900, 6844, 7250, 7375, 8555, 9950, 11542, 11741, 14500, 14750, 17110, 18125, 19900, 23084, 23482, 24875, 28855, 29500, 34220, 36250, 36875, 42775, 46964, 49750, 57710, 58705, 72500, 73750, 85550, 99500, 115420, 117410, 124375, 144275, 147500, 171100, 213875, 234820, 248750, 288550, 293525, 340489, 427750, 497500, 577100, 587050, 680978, 721375, 855500, 1069375, 1174100, 1361956, 1442750, 1467625, 1702445, 2138750, 2885500, 2935250, 3404890, 3606875, 4277500, 5870500, 6809780, 7213750, 7338125, 8512225, 14427500, 14676250, 17024450, 29352500, 34048900, 42561125, 85122250, 170244500, 212805625, 425611250, 851222500]

約数ペア:

[(1, 851222500), (2, 425611250), (4, 212805625), (5, 170244500), (10, 85122250), (20, 42561125), (25, 34048900), (29, 29352500), (50, 17024450), (58, 14676250), (59, 14427500), (100, 8512225), (116, 7338125), (118, 7213750), (125, 6809780), (145, 5870500), (199, 4277500), (236, 3606875), (250, 3404890), (290, 2935250), (295, 2885500), (398, 2138750), (500, 1702445), (580, 1467625), (590, 1442750), (625, 1361956), (725, 1174100), (796, 1069375), (995, 855500), (1180, 721375), (1250, 680978), (1450, 587050), (1475, 577100), (1711, 497500), (1990, 427750), (2500, 340489), (2900, 293525), (2950, 288550), (3422, 248750), (3625, 234820), (3980, 213875), (4975, 171100), (5771, 147500), (5900, 144275), (6844, 124375), (7250, 117410), (7375, 115420), (8555, 99500), (9950, 85550), (11542, 73750), (11741, 72500), (14500, 58705), (14750, 57710), (17110, 49750), (18125, 46964), (19900, 42775), (23084, 36875), (23482, 36250), (24875, 34220), (28855, 29500)]