291223530

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{248909}}^1$

素因数の和:248935

約数の個数: 48

約数和(自身を含む): 815429160

約数和(自身を除く): 524205630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 248909, 497818, 746727, 1244545, 1493454, 2240181, 2489090, 3235817, 3733635, 4480362, 6471634, 7467270, 9707451, 11200905, 16179085, 19414902, 22401810, 29122353, 32358170, 48537255, 58244706, 97074510, 145611765, 291223530]

約数ペア:

[(1, 291223530), (2, 145611765), (3, 97074510), (5, 58244706), (6, 48537255), (9, 32358170), (10, 29122353), (13, 22401810), (15, 19414902), (18, 16179085), (26, 11200905), (30, 9707451), (39, 7467270), (45, 6471634), (65, 4480362), (78, 3733635), (90, 3235817), (117, 2489090), (130, 2240181), (195, 1493454), (234, 1244545), (390, 746727), (585, 497818), (1170, 248909)]