209396320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 192

約数和(自身を含む): 603058176

約数和(自身を除く): 393661856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 37, 40, 56, 62, 70, 74, 80, 112, 124, 140, 148, 155, 160, 163, 185, 217, 224, 248, 259, 280, 296, 310, 326, 370, 434, 496, 518, 560, 592, 620, 652, 740, 815, 868, 992, 1036, 1085, 1120, 1141, 1147, 1184, 1240, 1295, 1304, 1480, 1630, 1736, 2072, 2170, 2282, 2294, 2480, 2590, 2608, 2960, 3260, 3472, 4144, 4340, 4564, 4588, 4960, 5053, 5180, 5216, 5705, 5735, 5920, 6031, 6520, 6944, 8029, 8288, 8680, 9128, 9176, 10106, 10360, 11410, 11470, 12062, 13040, 16058, 17360, 18256, 18352, 20212, 20720, 22820, 22940, 24124, 25265, 26080, 30155, 32116, 34720, 35371, 36512, 36704, 40145, 40424, 41440, 42217, 45640, 45880, 48248, 50530, 60310, 64232, 70742, 80290, 80848, 84434, 91280, 91760, 96496, 101060, 120620, 128464, 141484, 160580, 161696, 168868, 176855, 182560, 183520, 186961, 192992, 202120, 211085, 241240, 256928, 282968, 321160, 337736, 353710, 373922, 404240, 422170, 482480, 565936, 642320, 675472, 707420, 747844, 808480, 844340, 934805, 964960, 1131872, 1284640, 1308727, 1350944, 1414840, 1495688, 1688680, 1869610, 2617454, 2829680, 2991376, 3377360, 3739220, 5234908, 5659360, 5982752, 6543635, 6754720, 7478440, 10469816, 13087270, 14956880, 20939632, 26174540, 29913760, 41879264, 52349080, 104698160, 209396320]

約数ペア:

[(1, 209396320), (2, 104698160), (4, 52349080), (5, 41879264), (7, 29913760), (8, 26174540), (10, 20939632), (14, 14956880), (16, 13087270), (20, 10469816), (28, 7478440), (31, 6754720), (32, 6543635), (35, 5982752), (37, 5659360), (40, 5234908), (56, 3739220), (62, 3377360), (70, 2991376), (74, 2829680), (80, 2617454), (112, 1869610), (124, 1688680), (140, 1495688), (148, 1414840), (155, 1350944), (160, 1308727), (163, 1284640), (185, 1131872), (217, 964960), (224, 934805), (248, 844340), (259, 808480), (280, 747844), (296, 707420), (310, 675472), (326, 642320), (370, 565936), (434, 482480), (496, 422170), (518, 404240), (560, 373922), (592, 353710), (620, 337736), (652, 321160), (740, 282968), (815, 256928), (868, 241240), (992, 211085), (1036, 202120), (1085, 192992), (1120, 186961), (1141, 183520), (1147, 182560), (1184, 176855), (1240, 168868), (1295, 161696), (1304, 160580), (1480, 141484), (1630, 128464), (1736, 120620), (2072, 101060), (2170, 96496), (2282, 91760), (2294, 91280), (2480, 84434), (2590, 80848), (2608, 80290), (2960, 70742), (3260, 64232), (3472, 60310), (4144, 50530), (4340, 48248), (4564, 45880), (4588, 45640), (4960, 42217), (5053, 41440), (5180, 40424), (5216, 40145), (5705, 36704), (5735, 36512), (5920, 35371), (6031, 34720), (6520, 32116), (6944, 30155), (8029, 26080), (8288, 25265), (8680, 24124), (9128, 22940), (9176, 22820), (10106, 20720), (10360, 20212), (11410, 18352), (11470, 18256), (12062, 17360), (13040, 16058)]