445444440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3559}}^1$

素因数の和:3729

約数の個数: 128

約数和(自身を含む): 1537920000

約数和(自身を除く): 1092475560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 149, 168, 210, 280, 298, 420, 447, 596, 745, 840, 894, 1043, 1192, 1490, 1788, 2086, 2235, 2980, 3129, 3559, 3576, 4172, 4470, 5215, 5960, 6258, 7118, 8344, 8940, 10430, 10677, 12516, 14236, 15645, 17795, 17880, 20860, 21354, 24913, 25032, 28472, 31290, 35590, 41720, 42708, 49826, 53385, 62580, 71180, 74739, 85416, 99652, 106770, 124565, 125160, 142360, 149478, 199304, 213540, 249130, 298956, 373695, 427080, 498260, 530291, 597912, 747390, 996520, 1060582, 1494780, 1590873, 2121164, 2651455, 2989560, 3181746, 3712037, 4242328, 5302910, 6363492, 7424074, 7954365, 10605820, 11136111, 12726984, 14848148, 15908730, 18560185, 21211640, 22272222, 29696296, 31817460, 37120370, 44544444, 55680555, 63634920, 74240740, 89088888, 111361110, 148481480, 222722220, 445444440]

約数ペア:

[(1, 445444440), (2, 222722220), (3, 148481480), (4, 111361110), (5, 89088888), (6, 74240740), (7, 63634920), (8, 55680555), (10, 44544444), (12, 37120370), (14, 31817460), (15, 29696296), (20, 22272222), (21, 21211640), (24, 18560185), (28, 15908730), (30, 14848148), (35, 12726984), (40, 11136111), (42, 10605820), (56, 7954365), (60, 7424074), (70, 6363492), (84, 5302910), (105, 4242328), (120, 3712037), (140, 3181746), (149, 2989560), (168, 2651455), (210, 2121164), (280, 1590873), (298, 1494780), (420, 1060582), (447, 996520), (596, 747390), (745, 597912), (840, 530291), (894, 498260), (1043, 427080), (1192, 373695), (1490, 298956), (1788, 249130), (2086, 213540), (2235, 199304), (2980, 149478), (3129, 142360), (3559, 125160), (3576, 124565), (4172, 106770), (4470, 99652), (5215, 85416), (5960, 74739), (6258, 71180), (7118, 62580), (8344, 53385), (8940, 49826), (10430, 42708), (10677, 41720), (12516, 35590), (14236, 31290), (15645, 28472), (17795, 25032), (17880, 24913), (20860, 21354)]