1900712350

素因数分解:

$2^1\times 5^2\times {\mathrm{79}}^1\times {\mathrm{389}}^1\times {\mathrm{1237}}^1$

素因数の和:1717

約数の個数: 48

約数和(自身を含む): 3592180800

約数和(自身を除く): 1691468450

約数列:

[1, 2, 5, 10, 25, 50, 79, 158, 389, 395, 778, 790, 1237, 1945, 1975, 2474, 3890, 3950, 6185, 9725, 12370, 19450, 30731, 30925, 61462, 61850, 97723, 153655, 195446, 307310, 481193, 488615, 768275, 962386, 977230, 1536550, 2405965, 2443075, 4811930, 4886150, 12029825, 24059650, 38014247, 76028494, 190071235, 380142470, 950356175, 1900712350]

約数ペア:

[(1, 1900712350), (2, 950356175), (5, 380142470), (10, 190071235), (25, 76028494), (50, 38014247), (79, 24059650), (158, 12029825), (389, 4886150), (395, 4811930), (778, 2443075), (790, 2405965), (1237, 1536550), (1945, 977230), (1975, 962386), (2474, 768275), (3890, 488615), (3950, 481193), (6185, 307310), (9725, 195446), (12370, 153655), (19450, 97723), (30731, 61850), (30925, 61462)]