31878230

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 65691648

約数和(自身を除く): 33813418

約数列:

[1, 2, 5, 10, 17, 23, 31, 34, 46, 62, 85, 115, 155, 170, 230, 263, 310, 391, 526, 527, 713, 782, 1054, 1315, 1426, 1955, 2630, 2635, 3565, 3910, 4471, 5270, 6049, 7130, 8153, 8942, 12098, 12121, 16306, 22355, 24242, 30245, 40765, 44710, 60490, 60605, 81530, 102833, 121210, 138601, 187519, 205666, 277202, 375038, 514165, 693005, 937595, 1028330, 1386010, 1875190, 3187823, 6375646, 15939115, 31878230]

約数ペア:

[(1, 31878230), (2, 15939115), (5, 6375646), (10, 3187823), (17, 1875190), (23, 1386010), (31, 1028330), (34, 937595), (46, 693005), (62, 514165), (85, 375038), (115, 277202), (155, 205666), (170, 187519), (230, 138601), (263, 121210), (310, 102833), (391, 81530), (526, 60605), (527, 60490), (713, 44710), (782, 40765), (1054, 30245), (1315, 24242), (1426, 22355), (1955, 16306), (2630, 12121), (2635, 12098), (3565, 8942), (3910, 8153), (4471, 7130), (5270, 6049)]