620799328

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{401}}^1\times {\mathrm{479}}^1$

素因数の和:991

約数の個数: 48

約数和(自身を含む): 1239960960

約数和(自身を除く): 619161632

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 401, 404, 479, 802, 808, 958, 1604, 1616, 1916, 3208, 3232, 3832, 6416, 7664, 12832, 15328, 40501, 48379, 81002, 96758, 162004, 192079, 193516, 324008, 384158, 387032, 648016, 768316, 774064, 1296032, 1536632, 1548128, 3073264, 6146528, 19399979, 38799958, 77599916, 155199832, 310399664, 620799328]

約数ペア:

[(1, 620799328), (2, 310399664), (4, 155199832), (8, 77599916), (16, 38799958), (32, 19399979), (101, 6146528), (202, 3073264), (401, 1548128), (404, 1536632), (479, 1296032), (802, 774064), (808, 768316), (958, 648016), (1604, 387032), (1616, 384158), (1916, 324008), (3208, 193516), (3232, 192079), (3832, 162004), (6416, 96758), (7664, 81002), (12832, 48379), (15328, 40501)]