142408420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 192

約数和(自身を含む): 407715840

約数和(自身を除く): 265307420

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 31, 35, 38, 44, 55, 62, 70, 76, 77, 95, 110, 124, 133, 140, 154, 155, 157, 190, 209, 217, 220, 266, 308, 310, 314, 341, 380, 385, 418, 434, 532, 589, 620, 628, 665, 682, 770, 785, 836, 868, 1045, 1085, 1099, 1178, 1330, 1364, 1463, 1540, 1570, 1705, 1727, 2090, 2170, 2198, 2356, 2387, 2660, 2926, 2945, 2983, 3140, 3410, 3454, 4123, 4180, 4340, 4396, 4774, 4867, 5495, 5852, 5890, 5966, 6479, 6820, 6908, 7315, 8246, 8635, 9548, 9734, 10990, 11780, 11932, 11935, 12089, 12958, 14630, 14915, 16492, 17270, 19468, 20615, 20881, 21980, 23870, 24178, 24335, 25916, 29260, 29830, 32395, 32813, 34069, 34540, 41230, 41762, 45353, 47740, 48356, 48670, 53537, 59660, 60445, 64790, 65626, 68138, 82460, 83524, 90706, 92473, 97340, 104405, 107074, 120890, 129580, 131252, 136276, 164065, 170345, 181412, 184946, 208810, 214148, 226765, 229691, 241780, 267685, 328130, 340690, 369892, 374759, 417620, 453530, 459382, 462365, 535370, 647311, 656260, 681380, 749518, 907060, 918764, 924730, 1017203, 1070740, 1148455, 1294622, 1499036, 1849460, 1873795, 2034406, 2296910, 2589244, 3236555, 3747590, 4068812, 4593820, 5086015, 6473110, 7120421, 7495180, 10172030, 12946220, 14240842, 20344060, 28481684, 35602105, 71204210, 142408420]

約数ペア:

[(1, 142408420), (2, 71204210), (4, 35602105), (5, 28481684), (7, 20344060), (10, 14240842), (11, 12946220), (14, 10172030), (19, 7495180), (20, 7120421), (22, 6473110), (28, 5086015), (31, 4593820), (35, 4068812), (38, 3747590), (44, 3236555), (55, 2589244), (62, 2296910), (70, 2034406), (76, 1873795), (77, 1849460), (95, 1499036), (110, 1294622), (124, 1148455), (133, 1070740), (140, 1017203), (154, 924730), (155, 918764), (157, 907060), (190, 749518), (209, 681380), (217, 656260), (220, 647311), (266, 535370), (308, 462365), (310, 459382), (314, 453530), (341, 417620), (380, 374759), (385, 369892), (418, 340690), (434, 328130), (532, 267685), (589, 241780), (620, 229691), (628, 226765), (665, 214148), (682, 208810), (770, 184946), (785, 181412), (836, 170345), (868, 164065), (1045, 136276), (1085, 131252), (1099, 129580), (1178, 120890), (1330, 107074), (1364, 104405), (1463, 97340), (1540, 92473), (1570, 90706), (1705, 83524), (1727, 82460), (2090, 68138), (2170, 65626), (2198, 64790), (2356, 60445), (2387, 59660), (2660, 53537), (2926, 48670), (2945, 48356), (2983, 47740), (3140, 45353), (3410, 41762), (3454, 41230), (4123, 34540), (4180, 34069), (4340, 32813), (4396, 32395), (4774, 29830), (4867, 29260), (5495, 25916), (5852, 24335), (5890, 24178), (5966, 23870), (6479, 21980), (6820, 20881), (6908, 20615), (7315, 19468), (8246, 17270), (8635, 16492), (9548, 14915), (9734, 14630), (10990, 12958), (11780, 12089), (11932, 11935)]