212728480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:626

約数の個数: 96

約数和(自身を含む): 536182416

約数和(自身を除く): 323453936

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 197, 272, 340, 394, 397, 544, 680, 788, 794, 985, 1360, 1576, 1588, 1970, 1985, 2720, 3152, 3176, 3349, 3940, 3970, 6304, 6352, 6698, 6749, 7880, 7940, 12704, 13396, 13498, 15760, 15880, 16745, 26792, 26996, 31520, 31760, 33490, 33745, 53584, 53992, 63520, 66980, 67490, 78209, 107168, 107984, 133960, 134980, 156418, 215968, 267920, 269960, 312836, 391045, 535840, 539920, 625672, 782090, 1079840, 1251344, 1329553, 1564180, 2502688, 2659106, 3128360, 5318212, 6256720, 6647765, 10636424, 12513440, 13295530, 21272848, 26591060, 42545696, 53182120, 106364240, 212728480]

約数ペア:

[(1, 212728480), (2, 106364240), (4, 53182120), (5, 42545696), (8, 26591060), (10, 21272848), (16, 13295530), (17, 12513440), (20, 10636424), (32, 6647765), (34, 6256720), (40, 5318212), (68, 3128360), (80, 2659106), (85, 2502688), (136, 1564180), (160, 1329553), (170, 1251344), (197, 1079840), (272, 782090), (340, 625672), (394, 539920), (397, 535840), (544, 391045), (680, 312836), (788, 269960), (794, 267920), (985, 215968), (1360, 156418), (1576, 134980), (1588, 133960), (1970, 107984), (1985, 107168), (2720, 78209), (3152, 67490), (3176, 66980), (3349, 63520), (3940, 53992), (3970, 53584), (6304, 33745), (6352, 33490), (6698, 31760), (6749, 31520), (7880, 26996), (7940, 26792), (12704, 16745), (13396, 15880), (13498, 15760)]