140649340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{2011}}^1$

素因数の和:2302

約数の個数: 48

約数和(自身を含む): 319425120

約数和(自身を除く): 178775780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 269, 538, 1076, 1345, 2011, 2690, 3497, 4022, 5380, 6994, 8044, 10055, 13988, 17485, 20110, 26143, 34970, 40220, 52286, 69940, 104572, 130715, 261430, 522860, 540959, 1081918, 2163836, 2704795, 5409590, 7032467, 10819180, 14064934, 28129868, 35162335, 70324670, 140649340]

約数ペア:

[(1, 140649340), (2, 70324670), (4, 35162335), (5, 28129868), (10, 14064934), (13, 10819180), (20, 7032467), (26, 5409590), (52, 2704795), (65, 2163836), (130, 1081918), (260, 540959), (269, 522860), (538, 261430), (1076, 130715), (1345, 104572), (2011, 69940), (2690, 52286), (3497, 40220), (4022, 34970), (5380, 26143), (6994, 20110), (8044, 17485), (10055, 13988)]