155905820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{35923}}^1$

素因数の和:35970

約数の個数: 48

約数和(自身を含む): 386254848

約数和(自身を除く): 230349028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 35923, 71846, 143692, 179615, 251461, 359230, 502922, 718460, 1005844, 1113613, 1257305, 2227226, 2514610, 4454452, 5029220, 5568065, 7795291, 11136130, 15590582, 22272260, 31181164, 38976455, 77952910, 155905820]

約数ペア:

[(1, 155905820), (2, 77952910), (4, 38976455), (5, 31181164), (7, 22272260), (10, 15590582), (14, 11136130), (20, 7795291), (28, 5568065), (31, 5029220), (35, 4454452), (62, 2514610), (70, 2227226), (124, 1257305), (140, 1113613), (155, 1005844), (217, 718460), (310, 502922), (434, 359230), (620, 251461), (868, 179615), (1085, 143692), (2170, 71846), (4340, 35923)]