221427210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 128

約数和(自身を含む): 602173440

約数和(自身を除く): 380746230

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 23, 30, 34, 43, 46, 51, 69, 85, 86, 102, 115, 129, 138, 170, 215, 230, 255, 258, 345, 391, 430, 439, 510, 645, 690, 731, 782, 878, 989, 1173, 1290, 1317, 1462, 1955, 1978, 2193, 2195, 2346, 2634, 2967, 3655, 3910, 4386, 4390, 4945, 5865, 5934, 6585, 7310, 7463, 9890, 10097, 10965, 11730, 13170, 14835, 14926, 16813, 18877, 20194, 21930, 22389, 29670, 30291, 33626, 37315, 37754, 44778, 50439, 50485, 56631, 60582, 74630, 84065, 94385, 100878, 100970, 111945, 113262, 151455, 168130, 171649, 188770, 223890, 252195, 283155, 302910, 320909, 343298, 434171, 504390, 514947, 566310, 641818, 858245, 868342, 962727, 1029894, 1302513, 1604545, 1716490, 1925454, 2170855, 2574735, 2605026, 3209090, 4341710, 4813635, 5149470, 6512565, 7380907, 9627270, 13025130, 14761814, 22142721, 36904535, 44285442, 73809070, 110713605, 221427210]

約数ペア:

[(1, 221427210), (2, 110713605), (3, 73809070), (5, 44285442), (6, 36904535), (10, 22142721), (15, 14761814), (17, 13025130), (23, 9627270), (30, 7380907), (34, 6512565), (43, 5149470), (46, 4813635), (51, 4341710), (69, 3209090), (85, 2605026), (86, 2574735), (102, 2170855), (115, 1925454), (129, 1716490), (138, 1604545), (170, 1302513), (215, 1029894), (230, 962727), (255, 868342), (258, 858245), (345, 641818), (391, 566310), (430, 514947), (439, 504390), (510, 434171), (645, 343298), (690, 320909), (731, 302910), (782, 283155), (878, 252195), (989, 223890), (1173, 188770), (1290, 171649), (1317, 168130), (1462, 151455), (1955, 113262), (1978, 111945), (2193, 100970), (2195, 100878), (2346, 94385), (2634, 84065), (2967, 74630), (3655, 60582), (3910, 56631), (4386, 50485), (4390, 50439), (4945, 44778), (5865, 37754), (5934, 37315), (6585, 33626), (7310, 30291), (7463, 29670), (9890, 22389), (10097, 21930), (10965, 20194), (11730, 18877), (13170, 16813), (14835, 14926)]