811226240

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{829}}^1$

素因数の和:998

約数の個数: 128

約数和(自身を含む): 2133432000

約数和(自身を除く): 1322205760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 139, 160, 176, 220, 278, 320, 352, 440, 556, 640, 695, 704, 829, 880, 1112, 1390, 1408, 1529, 1658, 1760, 2224, 2780, 3058, 3316, 3520, 4145, 4448, 5560, 6116, 6632, 7040, 7645, 8290, 8896, 9119, 11120, 12232, 13264, 15290, 16580, 17792, 18238, 22240, 24464, 26528, 30580, 33160, 36476, 44480, 45595, 48928, 53056, 61160, 66320, 72952, 88960, 91190, 97856, 106112, 115231, 122320, 132640, 145904, 182380, 195712, 230462, 244640, 265280, 291808, 364760, 460924, 489280, 530560, 576155, 583616, 729520, 921848, 978560, 1152310, 1167232, 1267541, 1459040, 1843696, 2304620, 2535082, 2918080, 3687392, 4609240, 5070164, 5836160, 6337705, 7374784, 9218480, 10140328, 12675410, 14749568, 18436960, 20280656, 25350820, 36873920, 40561312, 50701640, 73747840, 81122624, 101403280, 162245248, 202806560, 405613120, 811226240]

約数ペア:

[(1, 811226240), (2, 405613120), (4, 202806560), (5, 162245248), (8, 101403280), (10, 81122624), (11, 73747840), (16, 50701640), (20, 40561312), (22, 36873920), (32, 25350820), (40, 20280656), (44, 18436960), (55, 14749568), (64, 12675410), (80, 10140328), (88, 9218480), (110, 7374784), (128, 6337705), (139, 5836160), (160, 5070164), (176, 4609240), (220, 3687392), (278, 2918080), (320, 2535082), (352, 2304620), (440, 1843696), (556, 1459040), (640, 1267541), (695, 1167232), (704, 1152310), (829, 978560), (880, 921848), (1112, 729520), (1390, 583616), (1408, 576155), (1529, 530560), (1658, 489280), (1760, 460924), (2224, 364760), (2780, 291808), (3058, 265280), (3316, 244640), (3520, 230462), (4145, 195712), (4448, 182380), (5560, 145904), (6116, 132640), (6632, 122320), (7040, 115231), (7645, 106112), (8290, 97856), (8896, 91190), (9119, 88960), (11120, 72952), (12232, 66320), (13264, 61160), (15290, 53056), (16580, 48928), (17792, 45595), (18238, 44480), (22240, 36476), (24464, 33160), (26528, 30580)]