201643990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{313}}^1\times {\mathrm{2801}}^1$

素因数の和:3144

約数の個数: 32

約数和(自身を含む): 380085696

約数和(自身を除く): 178441706

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 313, 626, 1565, 2801, 3130, 5602, 7199, 14005, 14398, 28010, 35995, 64423, 71990, 128846, 322115, 644230, 876713, 1753426, 4383565, 8767130, 20164399, 40328798, 100821995, 201643990]

約数ペア:

[(1, 201643990), (2, 100821995), (5, 40328798), (10, 20164399), (23, 8767130), (46, 4383565), (115, 1753426), (230, 876713), (313, 644230), (626, 322115), (1565, 128846), (2801, 71990), (3130, 64423), (5602, 35995), (7199, 28010), (14005, 14398)]