78905075

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 109921536

約数和(自身を除く): 31016461

約数列:

[1, 5, 17, 25, 31, 53, 85, 113, 155, 265, 425, 527, 565, 775, 901, 1325, 1643, 1921, 2635, 2825, 3503, 4505, 5989, 8215, 9605, 13175, 17515, 22525, 27931, 29945, 41075, 48025, 59551, 87575, 101813, 139655, 149725, 185659, 297755, 509065, 698275, 928295, 1488775, 2545325, 3156203, 4641475, 15781015, 78905075]

約数ペア:

[(1, 78905075), (5, 15781015), (17, 4641475), (25, 3156203), (31, 2545325), (53, 1488775), (85, 928295), (113, 698275), (155, 509065), (265, 297755), (425, 185659), (527, 149725), (565, 139655), (775, 101813), (901, 87575), (1325, 59551), (1643, 48025), (1921, 41075), (2635, 29945), (2825, 27931), (3503, 22525), (4505, 17515), (5989, 13175), (8215, 9605)]