280180940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{46853}}^1$

素因数の和:46898

約数の個数: 48

約数和(自身を含む): 661203648

約数和(自身を除く): 381022708

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 5980, 46853, 93706, 187412, 234265, 468530, 609089, 937060, 1077619, 1218178, 2155238, 2436356, 3045445, 4310476, 5388095, 6090890, 10776190, 12181780, 14009047, 21552380, 28018094, 56036188, 70045235, 140090470, 280180940]

約数ペア:

[(1, 280180940), (2, 140090470), (4, 70045235), (5, 56036188), (10, 28018094), (13, 21552380), (20, 14009047), (23, 12181780), (26, 10776190), (46, 6090890), (52, 5388095), (65, 4310476), (92, 3045445), (115, 2436356), (130, 2155238), (230, 1218178), (260, 1077619), (299, 937060), (460, 609089), (598, 468530), (1196, 234265), (1495, 187412), (2990, 93706), (5980, 46853)]