819950

素因数分解:

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

素因数の和:89

約数の個数: 36

約数和(自身を含む): 1645728

約数和(自身を除く): 825778

約数列:

[1, 2, 5, 10, 23, 25, 31, 46, 50, 62, 115, 155, 230, 310, 529, 575, 713, 775, 1058, 1150, 1426, 1550, 2645, 3565, 5290, 7130, 13225, 16399, 17825, 26450, 32798, 35650, 81995, 163990, 409975, 819950]

約数ペア:

[(1, 819950), (2, 409975), (5, 163990), (10, 81995), (23, 35650), (25, 32798), (31, 26450), (46, 17825), (50, 16399), (62, 13225), (115, 7130), (155, 5290), (230, 3565), (310, 2645), (529, 1550), (575, 1426), (713, 1150), (775, 1058)]