129783980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1\times {\mathrm{593}}^1$

素因数の和:986

約数の個数: 48

約数和(自身を含む): 282610944

約数和(自身を除く): 152826964

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 353, 593, 620, 706, 1186, 1412, 1765, 2372, 2965, 3530, 5930, 7060, 10943, 11860, 18383, 21886, 36766, 43772, 54715, 73532, 91915, 109430, 183830, 209329, 218860, 367660, 418658, 837316, 1046645, 2093290, 4186580, 6489199, 12978398, 25956796, 32445995, 64891990, 129783980]

約数ペア:

[(1, 129783980), (2, 64891990), (4, 32445995), (5, 25956796), (10, 12978398), (20, 6489199), (31, 4186580), (62, 2093290), (124, 1046645), (155, 837316), (310, 418658), (353, 367660), (593, 218860), (620, 209329), (706, 183830), (1186, 109430), (1412, 91915), (1765, 73532), (2372, 54715), (2965, 43772), (3530, 36766), (5930, 21886), (7060, 18383), (10943, 11860)]