861346400

素因数分解:

$2^5\times 5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:457

約数の個数: 144

約数和(自身を含む): 2199234240

約数和(自身を除く): 1337887840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 116, 137, 145, 160, 200, 232, 271, 274, 290, 400, 464, 542, 548, 580, 685, 725, 800, 928, 1084, 1096, 1160, 1355, 1370, 1450, 2168, 2192, 2320, 2710, 2740, 2900, 3425, 3973, 4336, 4384, 4640, 5420, 5480, 5800, 6775, 6850, 7859, 7946, 8672, 10840, 10960, 11600, 13550, 13700, 15718, 15892, 19865, 21680, 21920, 23200, 27100, 27400, 31436, 31784, 37127, 39295, 39730, 43360, 54200, 54800, 62872, 63568, 74254, 78590, 79460, 99325, 108400, 109600, 125744, 127136, 148508, 157180, 158920, 185635, 196475, 198650, 216800, 251488, 297016, 314360, 317840, 371270, 392950, 397300, 594032, 628720, 635680, 742540, 785900, 794600, 928175, 1076683, 1188064, 1257440, 1485080, 1571800, 1589200, 1856350, 2153366, 2970160, 3143600, 3178400, 3712700, 4306732, 5383415, 5940320, 6287200, 7425400, 8613464, 10766830, 14850800, 17226928, 21533660, 26917075, 29701600, 34453856, 43067320, 53834150, 86134640, 107668300, 172269280, 215336600, 430673200, 861346400]

約数ペア:

[(1, 861346400), (2, 430673200), (4, 215336600), (5, 172269280), (8, 107668300), (10, 86134640), (16, 53834150), (20, 43067320), (25, 34453856), (29, 29701600), (32, 26917075), (40, 21533660), (50, 17226928), (58, 14850800), (80, 10766830), (100, 8613464), (116, 7425400), (137, 6287200), (145, 5940320), (160, 5383415), (200, 4306732), (232, 3712700), (271, 3178400), (274, 3143600), (290, 2970160), (400, 2153366), (464, 1856350), (542, 1589200), (548, 1571800), (580, 1485080), (685, 1257440), (725, 1188064), (800, 1076683), (928, 928175), (1084, 794600), (1096, 785900), (1160, 742540), (1355, 635680), (1370, 628720), (1450, 594032), (2168, 397300), (2192, 392950), (2320, 371270), (2710, 317840), (2740, 314360), (2900, 297016), (3425, 251488), (3973, 216800), (4336, 198650), (4384, 196475), (4640, 185635), (5420, 158920), (5480, 157180), (5800, 148508), (6775, 127136), (6850, 125744), (7859, 109600), (7946, 108400), (8672, 99325), (10840, 79460), (10960, 78590), (11600, 74254), (13550, 63568), (13700, 62872), (15718, 54800), (15892, 54200), (19865, 43360), (21680, 39730), (21920, 39295), (23200, 37127), (27100, 31784), (27400, 31436)]