311170000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^2\times {\mathrm{37}}^1$

素因数の和:123

約数の個数: 150

約数和(自身を含む): 801335678

約数和(自身を除く): 490165678

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 37, 40, 50, 58, 74, 80, 100, 116, 125, 145, 148, 185, 200, 232, 250, 290, 296, 370, 400, 464, 500, 580, 592, 625, 725, 740, 841, 925, 1000, 1073, 1160, 1250, 1450, 1480, 1682, 1850, 2000, 2146, 2320, 2500, 2900, 2960, 3364, 3625, 3700, 4205, 4292, 4625, 5000, 5365, 5800, 6728, 7250, 7400, 8410, 8584, 9250, 10000, 10730, 11600, 13456, 14500, 14800, 16820, 17168, 18125, 18500, 21025, 21460, 23125, 26825, 29000, 31117, 33640, 36250, 37000, 42050, 42920, 46250, 53650, 58000, 62234, 67280, 72500, 74000, 84100, 85840, 92500, 105125, 107300, 124468, 134125, 145000, 155585, 168200, 185000, 210250, 214600, 248936, 268250, 290000, 311170, 336400, 370000, 420500, 429200, 497872, 525625, 536500, 622340, 670625, 777925, 841000, 1051250, 1073000, 1244680, 1341250, 1555850, 1682000, 2102500, 2146000, 2489360, 2682500, 3111700, 3889625, 4205000, 5365000, 6223400, 7779250, 8410000, 10730000, 12446800, 15558500, 19448125, 31117000, 38896250, 62234000, 77792500, 155585000, 311170000]

約数ペア:

[(1, 311170000), (2, 155585000), (4, 77792500), (5, 62234000), (8, 38896250), (10, 31117000), (16, 19448125), (20, 15558500), (25, 12446800), (29, 10730000), (37, 8410000), (40, 7779250), (50, 6223400), (58, 5365000), (74, 4205000), (80, 3889625), (100, 3111700), (116, 2682500), (125, 2489360), (145, 2146000), (148, 2102500), (185, 1682000), (200, 1555850), (232, 1341250), (250, 1244680), (290, 1073000), (296, 1051250), (370, 841000), (400, 777925), (464, 670625), (500, 622340), (580, 536500), (592, 525625), (625, 497872), (725, 429200), (740, 420500), (841, 370000), (925, 336400), (1000, 311170), (1073, 290000), (1160, 268250), (1250, 248936), (1450, 214600), (1480, 210250), (1682, 185000), (1850, 168200), (2000, 155585), (2146, 145000), (2320, 134125), (2500, 124468), (2900, 107300), (2960, 105125), (3364, 92500), (3625, 85840), (3700, 84100), (4205, 74000), (4292, 72500), (4625, 67280), (5000, 62234), (5365, 58000), (5800, 53650), (6728, 46250), (7250, 42920), (7400, 42050), (8410, 37000), (8584, 36250), (9250, 33640), (10000, 31117), (10730, 29000), (11600, 26825), (13456, 23125), (14500, 21460), (14800, 21025), (16820, 18500), (17168, 18125)]