251053080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:921

約数の個数: 128

約数和(自身を含む): 799200000

約数和(自身を除く): 548146920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 149, 152, 190, 228, 285, 298, 380, 447, 456, 570, 596, 739, 745, 760, 894, 1140, 1192, 1478, 1490, 1788, 2217, 2235, 2280, 2831, 2956, 2980, 3576, 3695, 4434, 4470, 5662, 5912, 5960, 7390, 8493, 8868, 8940, 11085, 11324, 14041, 14155, 14780, 16986, 17736, 17880, 22170, 22648, 28082, 28310, 29560, 33972, 42123, 42465, 44340, 56164, 56620, 67944, 70205, 84246, 84930, 88680, 110111, 112328, 113240, 140410, 168492, 169860, 210615, 220222, 280820, 330333, 336984, 339720, 421230, 440444, 550555, 561640, 660666, 842460, 880888, 1101110, 1321332, 1651665, 1684920, 2092109, 2202220, 2642664, 3303330, 4184218, 4404440, 6276327, 6606660, 8368436, 10460545, 12552654, 13213320, 16736872, 20921090, 25105308, 31381635, 41842180, 50210616, 62763270, 83684360, 125526540, 251053080]

約数ペア:

[(1, 251053080), (2, 125526540), (3, 83684360), (4, 62763270), (5, 50210616), (6, 41842180), (8, 31381635), (10, 25105308), (12, 20921090), (15, 16736872), (19, 13213320), (20, 12552654), (24, 10460545), (30, 8368436), (38, 6606660), (40, 6276327), (57, 4404440), (60, 4184218), (76, 3303330), (95, 2642664), (114, 2202220), (120, 2092109), (149, 1684920), (152, 1651665), (190, 1321332), (228, 1101110), (285, 880888), (298, 842460), (380, 660666), (447, 561640), (456, 550555), (570, 440444), (596, 421230), (739, 339720), (745, 336984), (760, 330333), (894, 280820), (1140, 220222), (1192, 210615), (1478, 169860), (1490, 168492), (1788, 140410), (2217, 113240), (2235, 112328), (2280, 110111), (2831, 88680), (2956, 84930), (2980, 84246), (3576, 70205), (3695, 67944), (4434, 56620), (4470, 56164), (5662, 44340), (5912, 42465), (5960, 42123), (7390, 33972), (8493, 29560), (8868, 28310), (8940, 28082), (11085, 22648), (11324, 22170), (14041, 17880), (14155, 17736), (14780, 16986)]