788683480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{3089}}^1$

素因数の和:3604

約数の個数: 64

約数和(自身を含む): 1915552800

約数和(自身を除く): 1126869320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 491, 520, 982, 1964, 2455, 3089, 3928, 4910, 6178, 6383, 9820, 12356, 12766, 15445, 19640, 24712, 25532, 30890, 31915, 40157, 51064, 61780, 63830, 80314, 123560, 127660, 160628, 200785, 255320, 321256, 401570, 803140, 1516699, 1606280, 3033398, 6066796, 7583495, 12133592, 15166990, 19717087, 30333980, 39434174, 60667960, 78868348, 98585435, 157736696, 197170870, 394341740, 788683480]

約数ペア:

[(1, 788683480), (2, 394341740), (4, 197170870), (5, 157736696), (8, 98585435), (10, 78868348), (13, 60667960), (20, 39434174), (26, 30333980), (40, 19717087), (52, 15166990), (65, 12133592), (104, 7583495), (130, 6066796), (260, 3033398), (491, 1606280), (520, 1516699), (982, 803140), (1964, 401570), (2455, 321256), (3089, 255320), (3928, 200785), (4910, 160628), (6178, 127660), (6383, 123560), (9820, 80314), (12356, 63830), (12766, 61780), (15445, 51064), (19640, 40157), (24712, 31915), (25532, 30890)]