2017440740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{769}}^1\times {\mathrm{2677}}^1$

素因数の和:3469

約数の個数: 72

約数和(自身を含む): 4936571640

約数和(自身を除く): 2919130900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 769, 980, 1538, 2677, 3076, 3845, 5354, 5383, 7690, 10708, 10766, 13385, 15380, 18739, 21532, 26770, 26915, 37478, 37681, 53540, 53830, 74956, 75362, 93695, 107660, 131173, 150724, 187390, 188405, 262346, 374780, 376810, 524692, 655865, 753620, 1311730, 2058613, 2623460, 4117226, 8234452, 10293065, 14410291, 20586130, 28820582, 41172260, 57641164, 72051455, 100872037, 144102910, 201744074, 288205820, 403488148, 504360185, 1008720370, 2017440740]

約数ペア:

[(1, 2017440740), (2, 1008720370), (4, 504360185), (5, 403488148), (7, 288205820), (10, 201744074), (14, 144102910), (20, 100872037), (28, 72051455), (35, 57641164), (49, 41172260), (70, 28820582), (98, 20586130), (140, 14410291), (196, 10293065), (245, 8234452), (490, 4117226), (769, 2623460), (980, 2058613), (1538, 1311730), (2677, 753620), (3076, 655865), (3845, 524692), (5354, 376810), (5383, 374780), (7690, 262346), (10708, 188405), (10766, 187390), (13385, 150724), (15380, 131173), (18739, 107660), (21532, 93695), (26770, 75362), (26915, 74956), (37478, 53830), (37681, 53540)]