201986720

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 544388040

約数和(自身を除く): 342401320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 269, 304, 361, 380, 416, 494, 520, 538, 608, 722, 760, 988, 1040, 1076, 1235, 1345, 1444, 1520, 1805, 1976, 2080, 2152, 2470, 2690, 2888, 3040, 3497, 3610, 3952, 4304, 4693, 4940, 5111, 5380, 5776, 6994, 7220, 7904, 8608, 9386, 9880, 10222, 10760, 11552, 13988, 14440, 17485, 18772, 19760, 20444, 21520, 23465, 25555, 27976, 28880, 34970, 37544, 39520, 40888, 43040, 46930, 51110, 55952, 57760, 66443, 69940, 75088, 81776, 93860, 97109, 102220, 111904, 132886, 139880, 150176, 163552, 187720, 194218, 204440, 265772, 279760, 332215, 375440, 388436, 408880, 485545, 531544, 559520, 664430, 750880, 776872, 817760, 971090, 1063088, 1262417, 1328860, 1553744, 1942180, 2126176, 2524834, 2657720, 3107488, 3884360, 5049668, 5315440, 6312085, 7768720, 10099336, 10630880, 12624170, 15537440, 20198672, 25248340, 40397344, 50496680, 100993360, 201986720]

約数ペア:

[(1, 201986720), (2, 100993360), (4, 50496680), (5, 40397344), (8, 25248340), (10, 20198672), (13, 15537440), (16, 12624170), (19, 10630880), (20, 10099336), (26, 7768720), (32, 6312085), (38, 5315440), (40, 5049668), (52, 3884360), (65, 3107488), (76, 2657720), (80, 2524834), (95, 2126176), (104, 1942180), (130, 1553744), (152, 1328860), (160, 1262417), (190, 1063088), (208, 971090), (247, 817760), (260, 776872), (269, 750880), (304, 664430), (361, 559520), (380, 531544), (416, 485545), (494, 408880), (520, 388436), (538, 375440), (608, 332215), (722, 279760), (760, 265772), (988, 204440), (1040, 194218), (1076, 187720), (1235, 163552), (1345, 150176), (1444, 139880), (1520, 132886), (1805, 111904), (1976, 102220), (2080, 97109), (2152, 93860), (2470, 81776), (2690, 75088), (2888, 69940), (3040, 66443), (3497, 57760), (3610, 55952), (3952, 51110), (4304, 46930), (4693, 43040), (4940, 40888), (5111, 39520), (5380, 37544), (5776, 34970), (6994, 28880), (7220, 27976), (7904, 25555), (8608, 23465), (9386, 21520), (9880, 20444), (10222, 19760), (10760, 18772), (11552, 17485), (13988, 14440)]