217014140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{967}}^1$

素因数の和:1219

約数の個数: 72

約数和(自身を含む): 533000160

約数和(自身を除く): 315986020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 916, 967, 980, 1145, 1603, 1934, 2290, 3206, 3868, 4580, 4835, 6412, 6769, 8015, 9670, 11221, 13538, 16030, 19340, 22442, 27076, 32060, 33845, 44884, 47383, 56105, 67690, 94766, 112210, 135380, 189532, 221443, 224420, 236915, 442886, 473830, 885772, 947660, 1107215, 1550101, 2214430, 3100202, 4428860, 6200404, 7750505, 10850707, 15501010, 21701414, 31002020, 43402828, 54253535, 108507070, 217014140]

約数ペア:

[(1, 217014140), (2, 108507070), (4, 54253535), (5, 43402828), (7, 31002020), (10, 21701414), (14, 15501010), (20, 10850707), (28, 7750505), (35, 6200404), (49, 4428860), (70, 3100202), (98, 2214430), (140, 1550101), (196, 1107215), (229, 947660), (245, 885772), (458, 473830), (490, 442886), (916, 236915), (967, 224420), (980, 221443), (1145, 189532), (1603, 135380), (1934, 112210), (2290, 94766), (3206, 67690), (3868, 56105), (4580, 47383), (4835, 44884), (6412, 33845), (6769, 32060), (8015, 27076), (9670, 22442), (11221, 19340), (13538, 16030)]