221369850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{479}}^1$

素因数の和:589

約数の個数: 144

約数和(自身を含む): 649958400

約数和(自身を除く): 428588550

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 79, 90, 117, 130, 150, 158, 195, 225, 234, 237, 325, 390, 395, 450, 474, 479, 585, 650, 711, 790, 958, 975, 1027, 1170, 1185, 1422, 1437, 1950, 1975, 2054, 2370, 2395, 2874, 2925, 3081, 3555, 3950, 4311, 4790, 5135, 5850, 5925, 6162, 6227, 7110, 7185, 8622, 9243, 10270, 11850, 11975, 12454, 14370, 15405, 17775, 18486, 18681, 21555, 23950, 25675, 30810, 31135, 35550, 35925, 37362, 37841, 43110, 46215, 51350, 56043, 62270, 71850, 75682, 77025, 92430, 93405, 107775, 112086, 113523, 154050, 155675, 186810, 189205, 215550, 227046, 231075, 280215, 311350, 340569, 378410, 462150, 467025, 491933, 560430, 567615, 681138, 934050, 946025, 983866, 1135230, 1401075, 1475799, 1702845, 1892050, 2459665, 2802150, 2838075, 2951598, 3405690, 4427397, 4919330, 5676150, 7378995, 8514225, 8854794, 12298325, 14757990, 17028450, 22136985, 24596650, 36894975, 44273970, 73789950, 110684925, 221369850]

約数ペア:

[(1, 221369850), (2, 110684925), (3, 73789950), (5, 44273970), (6, 36894975), (9, 24596650), (10, 22136985), (13, 17028450), (15, 14757990), (18, 12298325), (25, 8854794), (26, 8514225), (30, 7378995), (39, 5676150), (45, 4919330), (50, 4427397), (65, 3405690), (75, 2951598), (78, 2838075), (79, 2802150), (90, 2459665), (117, 1892050), (130, 1702845), (150, 1475799), (158, 1401075), (195, 1135230), (225, 983866), (234, 946025), (237, 934050), (325, 681138), (390, 567615), (395, 560430), (450, 491933), (474, 467025), (479, 462150), (585, 378410), (650, 340569), (711, 311350), (790, 280215), (958, 231075), (975, 227046), (1027, 215550), (1170, 189205), (1185, 186810), (1422, 155675), (1437, 154050), (1950, 113523), (1975, 112086), (2054, 107775), (2370, 93405), (2395, 92430), (2874, 77025), (2925, 75682), (3081, 71850), (3555, 62270), (3950, 56043), (4311, 51350), (4790, 46215), (5135, 43110), (5850, 37841), (5925, 37362), (6162, 35925), (6227, 35550), (7110, 31135), (7185, 30810), (8622, 25675), (9243, 23950), (10270, 21555), (11850, 18681), (11975, 18486), (12454, 17775), (14370, 15405)]