505739780

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:203

約数の個数: 192

約数和(自身を含む): 1371686400

約数和(自身を除く): 865946620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 53, 65, 70, 91, 98, 106, 107, 130, 140, 182, 196, 212, 214, 245, 260, 265, 343, 364, 371, 428, 455, 490, 530, 535, 637, 686, 689, 742, 749, 910, 980, 1060, 1070, 1274, 1372, 1378, 1391, 1484, 1498, 1715, 1820, 1855, 2140, 2548, 2597, 2756, 2782, 2996, 3185, 3430, 3445, 3710, 3745, 4459, 4823, 5194, 5243, 5564, 5671, 6370, 6860, 6890, 6955, 7420, 7490, 8918, 9646, 9737, 10388, 10486, 11342, 12740, 12985, 13780, 13910, 14980, 17836, 18179, 19292, 19474, 20972, 22295, 22684, 24115, 25970, 26215, 27820, 28355, 33761, 36358, 36701, 38948, 39697, 44590, 48230, 48685, 51940, 52430, 56710, 67522, 68159, 72716, 73402, 73723, 79394, 89180, 90895, 96460, 97370, 104860, 113420, 135044, 136318, 146804, 147446, 158788, 168805, 181790, 183505, 194740, 198485, 236327, 272636, 277879, 294892, 337610, 340795, 363580, 367010, 368615, 396970, 472654, 477113, 516061, 555758, 675220, 681590, 734020, 737230, 793940, 945308, 954226, 1032122, 1111516, 1181635, 1363180, 1389395, 1474460, 1908452, 1945153, 2064244, 2363270, 2385565, 2580305, 2778790, 3612427, 3890306, 4726540, 4771130, 5160610, 5557580, 7224854, 7780612, 9542260, 9725765, 10321220, 14449708, 18062135, 19451530, 25286989, 36124270, 38903060, 50573978, 72248540, 101147956, 126434945, 252869890, 505739780]

約数ペア:

[(1, 505739780), (2, 252869890), (4, 126434945), (5, 101147956), (7, 72248540), (10, 50573978), (13, 38903060), (14, 36124270), (20, 25286989), (26, 19451530), (28, 18062135), (35, 14449708), (49, 10321220), (52, 9725765), (53, 9542260), (65, 7780612), (70, 7224854), (91, 5557580), (98, 5160610), (106, 4771130), (107, 4726540), (130, 3890306), (140, 3612427), (182, 2778790), (196, 2580305), (212, 2385565), (214, 2363270), (245, 2064244), (260, 1945153), (265, 1908452), (343, 1474460), (364, 1389395), (371, 1363180), (428, 1181635), (455, 1111516), (490, 1032122), (530, 954226), (535, 945308), (637, 793940), (686, 737230), (689, 734020), (742, 681590), (749, 675220), (910, 555758), (980, 516061), (1060, 477113), (1070, 472654), (1274, 396970), (1372, 368615), (1378, 367010), (1391, 363580), (1484, 340795), (1498, 337610), (1715, 294892), (1820, 277879), (1855, 272636), (2140, 236327), (2548, 198485), (2597, 194740), (2756, 183505), (2782, 181790), (2996, 168805), (3185, 158788), (3430, 147446), (3445, 146804), (3710, 136318), (3745, 135044), (4459, 113420), (4823, 104860), (5194, 97370), (5243, 96460), (5564, 90895), (5671, 89180), (6370, 79394), (6860, 73723), (6890, 73402), (6955, 72716), (7420, 68159), (7490, 67522), (8918, 56710), (9646, 52430), (9737, 51940), (10388, 48685), (10486, 48230), (11342, 44590), (12740, 39697), (12985, 38948), (13780, 36701), (13910, 36358), (14980, 33761), (17836, 28355), (18179, 27820), (19292, 26215), (19474, 25970), (20972, 24115), (22295, 22684)]