207497480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 518745600

約数和(自身を除く): 311248120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 47, 74, 76, 94, 95, 148, 152, 157, 185, 188, 190, 235, 296, 314, 370, 376, 380, 470, 628, 703, 740, 760, 785, 893, 940, 1256, 1406, 1480, 1570, 1739, 1786, 1880, 2812, 2983, 3140, 3478, 3515, 3572, 4465, 5624, 5809, 5966, 6280, 6956, 7030, 7144, 7379, 8695, 8930, 11618, 11932, 13912, 14060, 14758, 14915, 17390, 17860, 23236, 23864, 28120, 29045, 29516, 29830, 33041, 34780, 35720, 36895, 46472, 58090, 59032, 59660, 66082, 69560, 73790, 110371, 116180, 119320, 132164, 140201, 147580, 165205, 220742, 232360, 264328, 273023, 280402, 295160, 330410, 441484, 546046, 551855, 560804, 660820, 701005, 882968, 1092092, 1103710, 1121608, 1321640, 1365115, 1402010, 2184184, 2207420, 2730230, 2804020, 4414840, 5187437, 5460460, 5608040, 10374874, 10920920, 20749748, 25937185, 41499496, 51874370, 103748740, 207497480]

約数ペア:

[(1, 207497480), (2, 103748740), (4, 51874370), (5, 41499496), (8, 25937185), (10, 20749748), (19, 10920920), (20, 10374874), (37, 5608040), (38, 5460460), (40, 5187437), (47, 4414840), (74, 2804020), (76, 2730230), (94, 2207420), (95, 2184184), (148, 1402010), (152, 1365115), (157, 1321640), (185, 1121608), (188, 1103710), (190, 1092092), (235, 882968), (296, 701005), (314, 660820), (370, 560804), (376, 551855), (380, 546046), (470, 441484), (628, 330410), (703, 295160), (740, 280402), (760, 273023), (785, 264328), (893, 232360), (940, 220742), (1256, 165205), (1406, 147580), (1480, 140201), (1570, 132164), (1739, 119320), (1786, 116180), (1880, 110371), (2812, 73790), (2983, 69560), (3140, 66082), (3478, 59660), (3515, 59032), (3572, 58090), (4465, 46472), (5624, 36895), (5809, 35720), (5966, 34780), (6280, 33041), (6956, 29830), (7030, 29516), (7144, 29045), (7379, 28120), (8695, 23864), (8930, 23236), (11618, 17860), (11932, 17390), (13912, 14915), (14060, 14758)]