410189720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{1489}}^1$

素因数の和:1668

約数の個数: 64

約数和(自身を含む): 946209600

約数和(自身を除く): 536019880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 97, 142, 194, 284, 355, 388, 485, 568, 710, 776, 970, 1420, 1489, 1940, 2840, 2978, 3880, 5956, 6887, 7445, 11912, 13774, 14890, 27548, 29780, 34435, 55096, 59560, 68870, 105719, 137740, 144433, 211438, 275480, 288866, 422876, 528595, 577732, 722165, 845752, 1057190, 1155464, 1444330, 2114380, 2888660, 4228760, 5777320, 10254743, 20509486, 41018972, 51273715, 82037944, 102547430, 205094860, 410189720]

約数ペア:

[(1, 410189720), (2, 205094860), (4, 102547430), (5, 82037944), (8, 51273715), (10, 41018972), (20, 20509486), (40, 10254743), (71, 5777320), (97, 4228760), (142, 2888660), (194, 2114380), (284, 1444330), (355, 1155464), (388, 1057190), (485, 845752), (568, 722165), (710, 577732), (776, 528595), (970, 422876), (1420, 288866), (1489, 275480), (1940, 211438), (2840, 144433), (2978, 137740), (3880, 105719), (5956, 68870), (6887, 59560), (7445, 55096), (11912, 34435), (13774, 29780), (14890, 27548)]