800409860

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{313}}^1\times {\mathrm{4409}}^1$

素因数の和:4760

約数の個数: 48

約数和(自身を含む): 1744772400

約数和(自身を除く): 944362540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 313, 580, 626, 1252, 1565, 3130, 4409, 6260, 8818, 9077, 17636, 18154, 22045, 36308, 44090, 45385, 88180, 90770, 127861, 181540, 255722, 511444, 639305, 1278610, 1380017, 2557220, 2760034, 5520068, 6900085, 13800170, 27600340, 40020493, 80040986, 160081972, 200102465, 400204930, 800409860]

約数ペア:

[(1, 800409860), (2, 400204930), (4, 200102465), (5, 160081972), (10, 80040986), (20, 40020493), (29, 27600340), (58, 13800170), (116, 6900085), (145, 5520068), (290, 2760034), (313, 2557220), (580, 1380017), (626, 1278610), (1252, 639305), (1565, 511444), (3130, 255722), (4409, 181540), (6260, 127861), (8818, 90770), (9077, 88180), (17636, 45385), (18154, 44090), (22045, 36308)]