1036406273720

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{686671}}^1$

素因数の和:687168

約数の個数: 64

約数和(自身を含む): 2362014345600

約数和(自身を除く): 1325608071880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 389, 485, 776, 778, 970, 1556, 1940, 1945, 3112, 3880, 3890, 7780, 15560, 37733, 75466, 150932, 188665, 301864, 377330, 686671, 754660, 1373342, 1509320, 2746684, 3433355, 5493368, 6866710, 13733420, 27466840, 66607087, 133214174, 266428348, 267115019, 333035435, 532856696, 534230038, 666070870, 1068460076, 1332141740, 1335575095, 2136920152, 2664283480, 2671150190, 5342300380, 10684600760, 25910156843, 51820313686, 103640627372, 129550784215, 207281254744, 259101568430, 518203136860, 1036406273720]

約数ペア:

[(1, 1036406273720), (2, 518203136860), (4, 259101568430), (5, 207281254744), (8, 129550784215), (10, 103640627372), (20, 51820313686), (40, 25910156843), (97, 10684600760), (194, 5342300380), (388, 2671150190), (389, 2664283480), (485, 2136920152), (776, 1335575095), (778, 1332141740), (970, 1068460076), (1556, 666070870), (1940, 534230038), (1945, 532856696), (3112, 333035435), (3880, 267115019), (3890, 266428348), (7780, 133214174), (15560, 66607087), (37733, 27466840), (75466, 13733420), (150932, 6866710), (188665, 5493368), (301864, 3433355), (377330, 2746684), (686671, 1509320), (754660, 1373342)]