221779530

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 192

約数和(自身を含む): 696384000

約数和(自身を除く): 474604470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 29, 30, 35, 42, 45, 58, 61, 63, 70, 87, 90, 105, 122, 126, 145, 174, 183, 199, 203, 210, 261, 290, 305, 315, 366, 398, 406, 427, 435, 522, 549, 597, 609, 610, 630, 854, 870, 915, 995, 1015, 1098, 1194, 1218, 1281, 1305, 1393, 1769, 1791, 1827, 1830, 1990, 2030, 2135, 2562, 2610, 2745, 2786, 2985, 3045, 3538, 3582, 3654, 3843, 4179, 4270, 5307, 5490, 5771, 5970, 6090, 6405, 6965, 7686, 8358, 8845, 8955, 9135, 10614, 11542, 12139, 12383, 12537, 12810, 13930, 15921, 17313, 17690, 17910, 18270, 19215, 20895, 24278, 24766, 25074, 26535, 28855, 31842, 34626, 36417, 37149, 38430, 40397, 41790, 51939, 53070, 57710, 60695, 61915, 62685, 72834, 74298, 79605, 80794, 84973, 86565, 103878, 109251, 111447, 121191, 121390, 123830, 125370, 159210, 169946, 173130, 182085, 185745, 201985, 218502, 222894, 242382, 254919, 259695, 352031, 363573, 364170, 371490, 403970, 424865, 509838, 519390, 546255, 557235, 605955, 704062, 727146, 764757, 849730, 1056093, 1092510, 1114470, 1211910, 1274595, 1529514, 1760155, 1817865, 2112186, 2464217, 2549190, 3168279, 3520310, 3635730, 3823785, 4928434, 5280465, 6336558, 7392651, 7647570, 10560930, 12321085, 14785302, 15841395, 22177953, 24642170, 31682790, 36963255, 44355906, 73926510, 110889765, 221779530]

約数ペア:

[(1, 221779530), (2, 110889765), (3, 73926510), (5, 44355906), (6, 36963255), (7, 31682790), (9, 24642170), (10, 22177953), (14, 15841395), (15, 14785302), (18, 12321085), (21, 10560930), (29, 7647570), (30, 7392651), (35, 6336558), (42, 5280465), (45, 4928434), (58, 3823785), (61, 3635730), (63, 3520310), (70, 3168279), (87, 2549190), (90, 2464217), (105, 2112186), (122, 1817865), (126, 1760155), (145, 1529514), (174, 1274595), (183, 1211910), (199, 1114470), (203, 1092510), (210, 1056093), (261, 849730), (290, 764757), (305, 727146), (315, 704062), (366, 605955), (398, 557235), (406, 546255), (427, 519390), (435, 509838), (522, 424865), (549, 403970), (597, 371490), (609, 364170), (610, 363573), (630, 352031), (854, 259695), (870, 254919), (915, 242382), (995, 222894), (1015, 218502), (1098, 201985), (1194, 185745), (1218, 182085), (1281, 173130), (1305, 169946), (1393, 159210), (1769, 125370), (1791, 123830), (1827, 121390), (1830, 121191), (1990, 111447), (2030, 109251), (2135, 103878), (2562, 86565), (2610, 84973), (2745, 80794), (2786, 79605), (2985, 74298), (3045, 72834), (3538, 62685), (3582, 61915), (3654, 60695), (3843, 57710), (4179, 53070), (4270, 51939), (5307, 41790), (5490, 40397), (5771, 38430), (5970, 37149), (6090, 36417), (6405, 34626), (6965, 31842), (7686, 28855), (8358, 26535), (8845, 25074), (8955, 24766), (9135, 24278), (10614, 20895), (11542, 19215), (12139, 18270), (12383, 17910), (12537, 17690), (12810, 17313), (13930, 15921)]