78849940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1753}}^1$

素因数の和:1948

約数の個数: 48

約数和(自身を含む): 179455248

約数和(自身を除く): 100605308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1730, 1753, 2249, 3460, 3506, 4498, 7012, 8765, 8996, 11245, 17530, 22490, 22789, 35060, 44980, 45578, 91156, 113945, 227890, 303269, 455780, 606538, 1213076, 1516345, 3032690, 3942497, 6065380, 7884994, 15769988, 19712485, 39424970, 78849940]

約数ペア:

[(1, 78849940), (2, 39424970), (4, 19712485), (5, 15769988), (10, 7884994), (13, 6065380), (20, 3942497), (26, 3032690), (52, 1516345), (65, 1213076), (130, 606538), (173, 455780), (260, 303269), (346, 227890), (692, 113945), (865, 91156), (1730, 45578), (1753, 44980), (2249, 35060), (3460, 22789), (3506, 22490), (4498, 17530), (7012, 11245), (8765, 8996)]