77041940

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 165110400

約数和(自身を除く): 88068460

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 206, 251, 298, 412, 502, 515, 596, 745, 1004, 1030, 1255, 1490, 2060, 2510, 2980, 5020, 15347, 25853, 30694, 37399, 51706, 61388, 74798, 76735, 103412, 129265, 149596, 153470, 186995, 258530, 306940, 373990, 517060, 747980, 3852097, 7704194, 15408388, 19260485, 38520970, 77041940]

約数ペア:

[(1, 77041940), (2, 38520970), (4, 19260485), (5, 15408388), (10, 7704194), (20, 3852097), (103, 747980), (149, 517060), (206, 373990), (251, 306940), (298, 258530), (412, 186995), (502, 153470), (515, 149596), (596, 129265), (745, 103412), (1004, 76735), (1030, 74798), (1255, 61388), (1490, 51706), (2060, 37399), (2510, 30694), (2980, 25853), (5020, 15347)]