243940830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:354

約数の個数: 128

約数和(自身を含む): 689955840

約数和(自身を除く): 446015010

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 61, 70, 105, 122, 137, 139, 183, 210, 274, 278, 305, 366, 411, 417, 427, 610, 685, 695, 822, 834, 854, 915, 959, 973, 1281, 1370, 1390, 1830, 1918, 1946, 2055, 2085, 2135, 2562, 2877, 2919, 4110, 4170, 4270, 4795, 4865, 5754, 5838, 6405, 8357, 8479, 9590, 9730, 12810, 14385, 14595, 16714, 16958, 19043, 25071, 25437, 28770, 29190, 38086, 41785, 42395, 50142, 50874, 57129, 58499, 59353, 83570, 84790, 95215, 114258, 116998, 118706, 125355, 127185, 133301, 175497, 178059, 190430, 250710, 254370, 266602, 285645, 292495, 296765, 350994, 356118, 399903, 571290, 584990, 593530, 666505, 799806, 877485, 890295, 1161623, 1333010, 1754970, 1780590, 1999515, 2323246, 3484869, 3999030, 5808115, 6969738, 8131361, 11616230, 16262722, 17424345, 24394083, 34848690, 40656805, 48788166, 81313610, 121970415, 243940830]

約数ペア:

[(1, 243940830), (2, 121970415), (3, 81313610), (5, 48788166), (6, 40656805), (7, 34848690), (10, 24394083), (14, 17424345), (15, 16262722), (21, 11616230), (30, 8131361), (35, 6969738), (42, 5808115), (61, 3999030), (70, 3484869), (105, 2323246), (122, 1999515), (137, 1780590), (139, 1754970), (183, 1333010), (210, 1161623), (274, 890295), (278, 877485), (305, 799806), (366, 666505), (411, 593530), (417, 584990), (427, 571290), (610, 399903), (685, 356118), (695, 350994), (822, 296765), (834, 292495), (854, 285645), (915, 266602), (959, 254370), (973, 250710), (1281, 190430), (1370, 178059), (1390, 175497), (1830, 133301), (1918, 127185), (1946, 125355), (2055, 118706), (2085, 116998), (2135, 114258), (2562, 95215), (2877, 84790), (2919, 83570), (4110, 59353), (4170, 58499), (4270, 57129), (4795, 50874), (4865, 50142), (5754, 42395), (5838, 41785), (6405, 38086), (8357, 29190), (8479, 28770), (9590, 25437), (9730, 25071), (12810, 19043), (14385, 16958), (14595, 16714)]