198605840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1511}}^1$

素因数の和:1608

約数の個数: 80

約数和(自身を含む): 485968896

約数和(自身を除く): 287363056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 53, 62, 80, 106, 124, 155, 212, 248, 265, 310, 424, 496, 530, 620, 848, 1060, 1240, 1511, 1643, 2120, 2480, 3022, 3286, 4240, 6044, 6572, 7555, 8215, 12088, 13144, 15110, 16430, 24176, 26288, 30220, 32860, 46841, 60440, 65720, 80083, 93682, 120880, 131440, 160166, 187364, 234205, 320332, 374728, 400415, 468410, 640664, 749456, 800830, 936820, 1281328, 1601660, 1873640, 2482573, 3203320, 3747280, 4965146, 6406640, 9930292, 12412865, 19860584, 24825730, 39721168, 49651460, 99302920, 198605840]

約数ペア:

[(1, 198605840), (2, 99302920), (4, 49651460), (5, 39721168), (8, 24825730), (10, 19860584), (16, 12412865), (20, 9930292), (31, 6406640), (40, 4965146), (53, 3747280), (62, 3203320), (80, 2482573), (106, 1873640), (124, 1601660), (155, 1281328), (212, 936820), (248, 800830), (265, 749456), (310, 640664), (424, 468410), (496, 400415), (530, 374728), (620, 320332), (848, 234205), (1060, 187364), (1240, 160166), (1511, 131440), (1643, 120880), (2120, 93682), (2480, 80083), (3022, 65720), (3286, 60440), (4240, 46841), (6044, 32860), (6572, 30220), (7555, 26288), (8215, 24176), (12088, 16430), (13144, 15110)]