202682500

素因数分解:

$2^2\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1$

素因数の和:311

約数の個数: 120

約数和(自身を含む): 495966240

約数和(自身を除く): 293283740

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 25, 34, 38, 50, 68, 76, 85, 95, 100, 125, 170, 190, 250, 251, 323, 340, 380, 425, 475, 500, 502, 625, 646, 850, 950, 1004, 1250, 1255, 1292, 1615, 1700, 1900, 2125, 2375, 2500, 2510, 3230, 4250, 4267, 4750, 4769, 5020, 6275, 6460, 8075, 8500, 8534, 9500, 9538, 10625, 11875, 12550, 16150, 17068, 19076, 21250, 21335, 23750, 23845, 25100, 31375, 32300, 40375, 42500, 42670, 47500, 47690, 62750, 80750, 81073, 85340, 95380, 106675, 119225, 125500, 156875, 161500, 162146, 201875, 213350, 238450, 313750, 324292, 403750, 405365, 426700, 476900, 533375, 596125, 627500, 807500, 810730, 1066750, 1192250, 1621460, 2026825, 2133500, 2384500, 2666875, 2980625, 4053650, 5333750, 5961250, 8107300, 10134125, 10667500, 11922500, 20268250, 40536500, 50670625, 101341250, 202682500]

約数ペア:

[(1, 202682500), (2, 101341250), (4, 50670625), (5, 40536500), (10, 20268250), (17, 11922500), (19, 10667500), (20, 10134125), (25, 8107300), (34, 5961250), (38, 5333750), (50, 4053650), (68, 2980625), (76, 2666875), (85, 2384500), (95, 2133500), (100, 2026825), (125, 1621460), (170, 1192250), (190, 1066750), (250, 810730), (251, 807500), (323, 627500), (340, 596125), (380, 533375), (425, 476900), (475, 426700), (500, 405365), (502, 403750), (625, 324292), (646, 313750), (850, 238450), (950, 213350), (1004, 201875), (1250, 162146), (1255, 161500), (1292, 156875), (1615, 125500), (1700, 119225), (1900, 106675), (2125, 95380), (2375, 85340), (2500, 81073), (2510, 80750), (3230, 62750), (4250, 47690), (4267, 47500), (4750, 42670), (4769, 42500), (5020, 40375), (6275, 32300), (6460, 31375), (8075, 25100), (8500, 23845), (8534, 23750), (9500, 21335), (9538, 21250), (10625, 19076), (11875, 17068), (12550, 16150)]