49606820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 112606200

約数和(自身を除く): 62999380

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 58, 62, 89, 116, 124, 145, 155, 178, 290, 310, 356, 445, 580, 620, 890, 899, 961, 1780, 1798, 1922, 2581, 2759, 3596, 3844, 4495, 4805, 5162, 5518, 8990, 9610, 10324, 11036, 12905, 13795, 17980, 19220, 25810, 27590, 27869, 51620, 55180, 55738, 80011, 85529, 111476, 139345, 160022, 171058, 278690, 320044, 342116, 400055, 427645, 557380, 800110, 855290, 1600220, 1710580, 2480341, 4960682, 9921364, 12401705, 24803410, 49606820]

約数ペア:

[(1, 49606820), (2, 24803410), (4, 12401705), (5, 9921364), (10, 4960682), (20, 2480341), (29, 1710580), (31, 1600220), (58, 855290), (62, 800110), (89, 557380), (116, 427645), (124, 400055), (145, 342116), (155, 320044), (178, 278690), (290, 171058), (310, 160022), (356, 139345), (445, 111476), (580, 85529), (620, 80011), (890, 55738), (899, 55180), (961, 51620), (1780, 27869), (1798, 27590), (1922, 25810), (2581, 19220), (2759, 17980), (3596, 13795), (3844, 12905), (4495, 11036), (4805, 10324), (5162, 9610), (5518, 8990)]