220746700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1459}}^1$

素因数の和:1579

約数の個数: 72

約数和(自身を含む): 513248400

約数和(自身を除く): 292501700

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 89, 100, 170, 178, 340, 356, 425, 445, 850, 890, 1459, 1513, 1700, 1780, 2225, 2918, 3026, 4450, 5836, 6052, 7295, 7565, 8900, 14590, 15130, 24803, 29180, 30260, 36475, 37825, 49606, 72950, 75650, 99212, 124015, 129851, 145900, 151300, 248030, 259702, 496060, 519404, 620075, 649255, 1240150, 1298510, 2207467, 2480300, 2597020, 3246275, 4414934, 6492550, 8829868, 11037335, 12985100, 22074670, 44149340, 55186675, 110373350, 220746700]

約数ペア:

[(1, 220746700), (2, 110373350), (4, 55186675), (5, 44149340), (10, 22074670), (17, 12985100), (20, 11037335), (25, 8829868), (34, 6492550), (50, 4414934), (68, 3246275), (85, 2597020), (89, 2480300), (100, 2207467), (170, 1298510), (178, 1240150), (340, 649255), (356, 620075), (425, 519404), (445, 496060), (850, 259702), (890, 248030), (1459, 151300), (1513, 145900), (1700, 129851), (1780, 124015), (2225, 99212), (2918, 75650), (3026, 72950), (4450, 49606), (5836, 37825), (6052, 36475), (7295, 30260), (7565, 29180), (8900, 24803), (14590, 15130)]