197472870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:827

約数の個数: 128

約数和(自身を含む): 606458880

約数和(自身を除く): 408986010

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 163, 189, 210, 270, 315, 326, 378, 489, 630, 641, 815, 945, 978, 1141, 1282, 1467, 1630, 1890, 1923, 2282, 2445, 2934, 3205, 3423, 3846, 4401, 4487, 4890, 5705, 5769, 6410, 6846, 7335, 8802, 8974, 9615, 10269, 11410, 11538, 13461, 14670, 17115, 17307, 19230, 20538, 22005, 22435, 26922, 28845, 30807, 34230, 34614, 40383, 44010, 44870, 51345, 57690, 61614, 67305, 80766, 86535, 102690, 104483, 121149, 134610, 154035, 173070, 201915, 208966, 242298, 308070, 313449, 403830, 522415, 605745, 626898, 731381, 940347, 1044830, 1211490, 1462762, 1567245, 1880694, 2194143, 2821041, 3134490, 3656905, 4388286, 4701735, 5642082, 6582429, 7313810, 9403470, 10970715, 13164858, 14105205, 19747287, 21941430, 28210410, 32912145, 39494574, 65824290, 98736435, 197472870]

約数ペア:

[(1, 197472870), (2, 98736435), (3, 65824290), (5, 39494574), (6, 32912145), (7, 28210410), (9, 21941430), (10, 19747287), (14, 14105205), (15, 13164858), (18, 10970715), (21, 9403470), (27, 7313810), (30, 6582429), (35, 5642082), (42, 4701735), (45, 4388286), (54, 3656905), (63, 3134490), (70, 2821041), (90, 2194143), (105, 1880694), (126, 1567245), (135, 1462762), (163, 1211490), (189, 1044830), (210, 940347), (270, 731381), (315, 626898), (326, 605745), (378, 522415), (489, 403830), (630, 313449), (641, 308070), (815, 242298), (945, 208966), (978, 201915), (1141, 173070), (1282, 154035), (1467, 134610), (1630, 121149), (1890, 104483), (1923, 102690), (2282, 86535), (2445, 80766), (2934, 67305), (3205, 61614), (3423, 57690), (3846, 51345), (4401, 44870), (4487, 44010), (4890, 40383), (5705, 34614), (5769, 34230), (6410, 30807), (6846, 28845), (7335, 26922), (8802, 22435), (8974, 22005), (9615, 20538), (10269, 19230), (11410, 17307), (11538, 17115), (13461, 14670)]