308906985

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:306

約数の個数: 64

約数和(自身を含む): 528768000

約数和(自身を除く): 219861015

約数列:

[1, 3, 5, 15, 29, 79, 87, 89, 101, 145, 237, 267, 303, 395, 435, 445, 505, 1185, 1335, 1515, 2291, 2581, 2929, 6873, 7031, 7743, 7979, 8787, 8989, 11455, 12905, 14645, 21093, 23937, 26967, 34365, 35155, 38715, 39895, 43935, 44945, 105465, 119685, 134835, 203899, 231391, 260681, 611697, 694173, 710131, 782043, 1019495, 1156955, 1303405, 2130393, 3058485, 3470865, 3550655, 3910215, 10651965, 20593799, 61781397, 102968995, 308906985]

約数ペア:

[(1, 308906985), (3, 102968995), (5, 61781397), (15, 20593799), (29, 10651965), (79, 3910215), (87, 3550655), (89, 3470865), (101, 3058485), (145, 2130393), (237, 1303405), (267, 1156955), (303, 1019495), (395, 782043), (435, 710131), (445, 694173), (505, 611697), (1185, 260681), (1335, 231391), (1515, 203899), (2291, 134835), (2581, 119685), (2929, 105465), (6873, 44945), (7031, 43935), (7743, 39895), (7979, 38715), (8787, 35155), (8989, 34365), (11455, 26967), (12905, 23937), (14645, 21093)]