401886976

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:705

約数の個数: 72

約数和(自身を含む): 838857600

約数和(自身を除く): 436970624

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 89, 124, 128, 178, 248, 256, 356, 496, 569, 712, 992, 1138, 1424, 1984, 2276, 2759, 2848, 3968, 4552, 5518, 5696, 7936, 9104, 11036, 11392, 17639, 18208, 22072, 22784, 35278, 36416, 44144, 50641, 70556, 72832, 88288, 101282, 141112, 145664, 176576, 202564, 282224, 353152, 405128, 564448, 706304, 810256, 1128896, 1569871, 1620512, 2257792, 3139742, 3241024, 4515584, 6279484, 6482048, 12558968, 12964096, 25117936, 50235872, 100471744, 200943488, 401886976]

約数ペア:

[(1, 401886976), (2, 200943488), (4, 100471744), (8, 50235872), (16, 25117936), (31, 12964096), (32, 12558968), (62, 6482048), (64, 6279484), (89, 4515584), (124, 3241024), (128, 3139742), (178, 2257792), (248, 1620512), (256, 1569871), (356, 1128896), (496, 810256), (569, 706304), (712, 564448), (992, 405128), (1138, 353152), (1424, 282224), (1984, 202564), (2276, 176576), (2759, 145664), (2848, 141112), (3968, 101282), (4552, 88288), (5518, 72832), (5696, 70556), (7936, 50641), (9104, 44144), (11036, 36416), (11392, 35278), (17639, 22784), (18208, 22072)]