78889394260

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{238207}}^1$

素因数の和:238816

約数の個数: 48

約数和(自身を含む): 171681269760

約数和(自身を除く): 92791875500

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 571, 580, 1142, 2284, 2855, 5710, 11420, 16559, 33118, 66236, 82795, 165590, 238207, 331180, 476414, 952828, 1191035, 2382070, 4764140, 6908003, 13816006, 27632012, 34540015, 69080030, 136016197, 138160060, 272032394, 544064788, 680080985, 1360161970, 2720323940, 3944469713, 7888939426, 15777878852, 19722348565, 39444697130, 78889394260]

約数ペア:

[(1, 78889394260), (2, 39444697130), (4, 19722348565), (5, 15777878852), (10, 7888939426), (20, 3944469713), (29, 2720323940), (58, 1360161970), (116, 680080985), (145, 544064788), (290, 272032394), (571, 138160060), (580, 136016197), (1142, 69080030), (2284, 34540015), (2855, 27632012), (5710, 13816006), (11420, 6908003), (16559, 4764140), (33118, 2382070), (66236, 1191035), (82795, 952828), (165590, 476414), (238207, 331180)]