398752640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4357}}^1$

素因数の和:4400

約数の個数: 128

約数和(自身を含む): 1120180320

約数和(自身を除く): 721427680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 64, 65, 80, 88, 104, 110, 128, 130, 143, 160, 176, 208, 220, 260, 286, 320, 352, 416, 440, 520, 572, 640, 704, 715, 832, 880, 1040, 1144, 1408, 1430, 1664, 1760, 2080, 2288, 2860, 3520, 4160, 4357, 4576, 5720, 7040, 8320, 8714, 9152, 11440, 17428, 18304, 21785, 22880, 34856, 43570, 45760, 47927, 56641, 69712, 87140, 91520, 95854, 113282, 139424, 174280, 191708, 226564, 239635, 278848, 283205, 348560, 383416, 453128, 479270, 557696, 566410, 623051, 697120, 766832, 906256, 958540, 1132820, 1246102, 1394240, 1533664, 1812512, 1917080, 2265640, 2492204, 2788480, 3067328, 3115255, 3625024, 3834160, 4531280, 4984408, 6134656, 6230510, 7250048, 7668320, 9062560, 9968816, 12461020, 15336640, 18125120, 19937632, 24922040, 30673280, 36250240, 39875264, 49844080, 79750528, 99688160, 199376320, 398752640]

約数ペア:

[(1, 398752640), (2, 199376320), (4, 99688160), (5, 79750528), (8, 49844080), (10, 39875264), (11, 36250240), (13, 30673280), (16, 24922040), (20, 19937632), (22, 18125120), (26, 15336640), (32, 12461020), (40, 9968816), (44, 9062560), (52, 7668320), (55, 7250048), (64, 6230510), (65, 6134656), (80, 4984408), (88, 4531280), (104, 3834160), (110, 3625024), (128, 3115255), (130, 3067328), (143, 2788480), (160, 2492204), (176, 2265640), (208, 1917080), (220, 1812512), (260, 1533664), (286, 1394240), (320, 1246102), (352, 1132820), (416, 958540), (440, 906256), (520, 766832), (572, 697120), (640, 623051), (704, 566410), (715, 557696), (832, 479270), (880, 453128), (1040, 383416), (1144, 348560), (1408, 283205), (1430, 278848), (1664, 239635), (1760, 226564), (2080, 191708), (2288, 174280), (2860, 139424), (3520, 113282), (4160, 95854), (4357, 91520), (4576, 87140), (5720, 69712), (7040, 56641), (8320, 47927), (8714, 45760), (9152, 43570), (11440, 34856), (17428, 22880), (18304, 21785)]