305133040

素因数分解:

$2^4\times 5^1\times {\mathrm{1409}}^1\times {\mathrm{2707}}^1$

素因数の和:4129

約数の個数: 40

約数和(自身を含む): 710200080

約数和(自身を除く): 405067040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1409, 2707, 2818, 5414, 5636, 7045, 10828, 11272, 13535, 14090, 21656, 22544, 27070, 28180, 43312, 54140, 56360, 108280, 112720, 216560, 3814163, 7628326, 15256652, 19070815, 30513304, 38141630, 61026608, 76283260, 152566520, 305133040]

約数ペア:

[(1, 305133040), (2, 152566520), (4, 76283260), (5, 61026608), (8, 38141630), (10, 30513304), (16, 19070815), (20, 15256652), (40, 7628326), (80, 3814163), (1409, 216560), (2707, 112720), (2818, 108280), (5414, 56360), (5636, 54140), (7045, 43312), (10828, 28180), (11272, 27070), (13535, 22544), (14090, 21656)]