1640996500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:491

約数の個数: 192

約数和(自身を含む): 4292870400

約数和(自身を除く): 2651873900

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 59, 65, 100, 110, 118, 125, 130, 143, 220, 236, 250, 260, 275, 286, 295, 325, 389, 500, 550, 572, 590, 649, 650, 715, 767, 778, 1100, 1180, 1298, 1300, 1375, 1430, 1475, 1534, 1556, 1625, 1945, 2596, 2750, 2860, 2950, 3068, 3245, 3250, 3575, 3835, 3890, 4279, 5057, 5500, 5900, 6490, 6500, 7150, 7375, 7670, 7780, 8437, 8558, 9725, 10114, 12980, 14300, 14750, 15340, 16225, 16874, 17116, 17875, 19175, 19450, 20228, 21395, 22951, 25285, 29500, 32450, 33748, 35750, 38350, 38900, 42185, 42790, 45902, 48625, 50570, 55627, 64900, 71500, 76700, 81125, 84370, 85580, 91804, 95875, 97250, 101140, 106975, 111254, 114755, 126425, 162250, 168740, 191750, 194500, 210925, 213950, 222508, 229510, 252461, 252850, 278135, 298363, 324500, 383500, 421850, 427900, 459020, 504922, 505700, 534875, 556270, 573775, 596726, 632125, 843700, 1009844, 1054625, 1069750, 1112540, 1147550, 1193452, 1262305, 1264250, 1390675, 1491815, 2109250, 2139500, 2295100, 2524610, 2528500, 2781350, 2868875, 2983630, 3281993, 4218500, 5049220, 5562700, 5737750, 5967260, 6311525, 6563986, 6953375, 7459075, 11475500, 12623050, 13127972, 13906750, 14918150, 16409965, 25246100, 27813500, 29836300, 31557625, 32819930, 37295375, 63115250, 65639860, 74590750, 82049825, 126230500, 149181500, 164099650, 328199300, 410249125, 820498250, 1640996500]

約数ペア:

[(1, 1640996500), (2, 820498250), (4, 410249125), (5, 328199300), (10, 164099650), (11, 149181500), (13, 126230500), (20, 82049825), (22, 74590750), (25, 65639860), (26, 63115250), (44, 37295375), (50, 32819930), (52, 31557625), (55, 29836300), (59, 27813500), (65, 25246100), (100, 16409965), (110, 14918150), (118, 13906750), (125, 13127972), (130, 12623050), (143, 11475500), (220, 7459075), (236, 6953375), (250, 6563986), (260, 6311525), (275, 5967260), (286, 5737750), (295, 5562700), (325, 5049220), (389, 4218500), (500, 3281993), (550, 2983630), (572, 2868875), (590, 2781350), (649, 2528500), (650, 2524610), (715, 2295100), (767, 2139500), (778, 2109250), (1100, 1491815), (1180, 1390675), (1298, 1264250), (1300, 1262305), (1375, 1193452), (1430, 1147550), (1475, 1112540), (1534, 1069750), (1556, 1054625), (1625, 1009844), (1945, 843700), (2596, 632125), (2750, 596726), (2860, 573775), (2950, 556270), (3068, 534875), (3245, 505700), (3250, 504922), (3575, 459020), (3835, 427900), (3890, 421850), (4279, 383500), (5057, 324500), (5500, 298363), (5900, 278135), (6490, 252850), (6500, 252461), (7150, 229510), (7375, 222508), (7670, 213950), (7780, 210925), (8437, 194500), (8558, 191750), (9725, 168740), (10114, 162250), (12980, 126425), (14300, 114755), (14750, 111254), (15340, 106975), (16225, 101140), (16874, 97250), (17116, 95875), (17875, 91804), (19175, 85580), (19450, 84370), (20228, 81125), (21395, 76700), (22951, 71500), (25285, 64900), (29500, 55627), (32450, 50570), (33748, 48625), (35750, 45902), (38350, 42790), (38900, 42185)]