185617640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{727}}^1$

素因数の和:1242

約数の個数: 64

約数和(自身を含む): 451301760

約数和(自身を除く): 265684120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 491, 520, 727, 982, 1454, 1964, 2455, 2908, 3635, 3928, 4910, 5816, 6383, 7270, 9451, 9820, 12766, 14540, 18902, 19640, 25532, 29080, 31915, 37804, 47255, 51064, 63830, 75608, 94510, 127660, 189020, 255320, 356957, 378040, 713914, 1427828, 1784785, 2855656, 3569570, 4640441, 7139140, 9280882, 14278280, 18561764, 23202205, 37123528, 46404410, 92808820, 185617640]

約数ペア:

[(1, 185617640), (2, 92808820), (4, 46404410), (5, 37123528), (8, 23202205), (10, 18561764), (13, 14278280), (20, 9280882), (26, 7139140), (40, 4640441), (52, 3569570), (65, 2855656), (104, 1784785), (130, 1427828), (260, 713914), (491, 378040), (520, 356957), (727, 255320), (982, 189020), (1454, 127660), (1964, 94510), (2455, 75608), (2908, 63830), (3635, 51064), (3928, 47255), (4910, 37804), (5816, 31915), (6383, 29080), (7270, 25532), (9451, 19640), (9820, 18902), (12766, 14540)]