40009480

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1$

素因数の和:311

約数の個数: 96

約数和(自身を含む): 106191000

約数和(自身を除く): 66181520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 137, 140, 149, 196, 245, 274, 280, 298, 392, 490, 548, 596, 685, 745, 959, 980, 1043, 1096, 1192, 1370, 1490, 1918, 1960, 2086, 2740, 2980, 3836, 4172, 4795, 5215, 5480, 5960, 6713, 7301, 7672, 8344, 9590, 10430, 13426, 14602, 19180, 20413, 20860, 26852, 29204, 33565, 36505, 38360, 40826, 41720, 53704, 58408, 67130, 73010, 81652, 102065, 134260, 142891, 146020, 163304, 204130, 268520, 285782, 292040, 408260, 571564, 714455, 816520, 1000237, 1143128, 1428910, 2000474, 2857820, 4000948, 5001185, 5715640, 8001896, 10002370, 20004740, 40009480]

約数ペア:

[(1, 40009480), (2, 20004740), (4, 10002370), (5, 8001896), (7, 5715640), (8, 5001185), (10, 4000948), (14, 2857820), (20, 2000474), (28, 1428910), (35, 1143128), (40, 1000237), (49, 816520), (56, 714455), (70, 571564), (98, 408260), (137, 292040), (140, 285782), (149, 268520), (196, 204130), (245, 163304), (274, 146020), (280, 142891), (298, 134260), (392, 102065), (490, 81652), (548, 73010), (596, 67130), (685, 58408), (745, 53704), (959, 41720), (980, 40826), (1043, 38360), (1096, 36505), (1192, 33565), (1370, 29204), (1490, 26852), (1918, 20860), (1960, 20413), (2086, 19180), (2740, 14602), (2980, 13426), (3836, 10430), (4172, 9590), (4795, 8344), (5215, 7672), (5480, 7301), (5960, 6713)]