30491890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21323}}^1$

素因数の和:21354

約数の個数: 32

約数和(自身を含む): 64483776

約数和(自身を除く): 33991886

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21323, 42646, 106615, 213230, 234553, 277199, 469106, 554398, 1172765, 1385995, 2345530, 2771990, 3049189, 6098378, 15245945, 30491890]

約数ペア:

[(1, 30491890), (2, 15245945), (5, 6098378), (10, 3049189), (11, 2771990), (13, 2345530), (22, 1385995), (26, 1172765), (55, 554398), (65, 469106), (110, 277199), (130, 234553), (143, 213230), (286, 106615), (715, 42646), (1430, 21323)]