513695420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 1333285632

約数和(自身を除く): 819590212

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 37, 49, 62, 70, 74, 98, 124, 140, 148, 155, 185, 196, 217, 245, 259, 310, 370, 434, 457, 490, 518, 620, 740, 868, 914, 980, 1036, 1085, 1147, 1295, 1519, 1813, 1828, 2170, 2285, 2294, 2590, 3038, 3199, 3626, 4340, 4570, 4588, 5180, 5735, 6076, 6398, 7252, 7595, 8029, 9065, 9140, 11470, 12796, 14167, 15190, 15995, 16058, 16909, 18130, 22393, 22940, 28334, 30380, 31990, 32116, 33818, 36260, 40145, 44786, 56203, 56668, 63980, 67636, 70835, 80290, 84545, 89572, 99169, 111965, 112406, 118363, 141670, 160580, 169090, 198338, 223930, 224812, 236726, 281015, 283340, 338180, 396676, 447860, 473452, 495845, 524179, 562030, 591815, 694183, 828541, 991690, 1048358, 1124060, 1183630, 1388366, 1657082, 1983380, 2096716, 2367260, 2620895, 2776732, 3314164, 3470915, 3669253, 4142705, 5241790, 6941830, 7338506, 8285410, 10483580, 13883660, 14677012, 16570820, 18346265, 25684771, 36692530, 51369542, 73385060, 102739084, 128423855, 256847710, 513695420]

約数ペア:

[(1, 513695420), (2, 256847710), (4, 128423855), (5, 102739084), (7, 73385060), (10, 51369542), (14, 36692530), (20, 25684771), (28, 18346265), (31, 16570820), (35, 14677012), (37, 13883660), (49, 10483580), (62, 8285410), (70, 7338506), (74, 6941830), (98, 5241790), (124, 4142705), (140, 3669253), (148, 3470915), (155, 3314164), (185, 2776732), (196, 2620895), (217, 2367260), (245, 2096716), (259, 1983380), (310, 1657082), (370, 1388366), (434, 1183630), (457, 1124060), (490, 1048358), (518, 991690), (620, 828541), (740, 694183), (868, 591815), (914, 562030), (980, 524179), (1036, 495845), (1085, 473452), (1147, 447860), (1295, 396676), (1519, 338180), (1813, 283340), (1828, 281015), (2170, 236726), (2285, 224812), (2294, 223930), (2590, 198338), (3038, 169090), (3199, 160580), (3626, 141670), (4340, 118363), (4570, 112406), (4588, 111965), (5180, 99169), (5735, 89572), (6076, 84545), (6398, 80290), (7252, 70835), (7595, 67636), (8029, 63980), (9065, 56668), (9140, 56203), (11470, 44786), (12796, 40145), (14167, 36260), (15190, 33818), (15995, 32116), (16058, 31990), (16909, 30380), (18130, 28334), (22393, 22940)]