139670900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 108

約数和(自身を含む): 330377292

約数和(自身を除く): 190706392

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 73, 76, 95, 100, 106, 146, 190, 212, 265, 292, 361, 365, 380, 475, 530, 722, 730, 950, 1007, 1060, 1325, 1387, 1444, 1460, 1805, 1825, 1900, 2014, 2650, 2774, 3610, 3650, 3869, 4028, 5035, 5300, 5548, 6935, 7220, 7300, 7738, 9025, 10070, 13870, 15476, 18050, 19133, 19345, 20140, 25175, 26353, 27740, 34675, 36100, 38266, 38690, 50350, 52706, 69350, 73511, 76532, 77380, 95665, 96725, 100700, 105412, 131765, 138700, 147022, 191330, 193450, 263530, 294044, 367555, 382660, 386900, 478325, 527060, 658825, 735110, 956650, 1317650, 1396709, 1470220, 1837775, 1913300, 2635300, 2793418, 3675550, 5586836, 6983545, 7351100, 13967090, 27934180, 34917725, 69835450, 139670900]

約数ペア:

[(1, 139670900), (2, 69835450), (4, 34917725), (5, 27934180), (10, 13967090), (19, 7351100), (20, 6983545), (25, 5586836), (38, 3675550), (50, 2793418), (53, 2635300), (73, 1913300), (76, 1837775), (95, 1470220), (100, 1396709), (106, 1317650), (146, 956650), (190, 735110), (212, 658825), (265, 527060), (292, 478325), (361, 386900), (365, 382660), (380, 367555), (475, 294044), (530, 263530), (722, 193450), (730, 191330), (950, 147022), (1007, 138700), (1060, 131765), (1325, 105412), (1387, 100700), (1444, 96725), (1460, 95665), (1805, 77380), (1825, 76532), (1900, 73511), (2014, 69350), (2650, 52706), (2774, 50350), (3610, 38690), (3650, 38266), (3869, 36100), (4028, 34675), (5035, 27740), (5300, 26353), (5548, 25175), (6935, 20140), (7220, 19345), (7300, 19133), (7738, 18050), (9025, 15476), (10070, 13870)]