308909440

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 128

約数和(自身を含む): 860569920

約数和(自身を除く): 551660480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 64, 70, 80, 106, 112, 128, 140, 160, 212, 224, 265, 280, 320, 371, 424, 448, 530, 560, 640, 742, 848, 896, 1060, 1120, 1301, 1484, 1696, 1855, 2120, 2240, 2602, 2968, 3392, 3710, 4240, 4480, 5204, 5936, 6505, 6784, 7420, 8480, 9107, 10408, 11872, 13010, 14840, 16960, 18214, 20816, 23744, 26020, 29680, 33920, 36428, 41632, 45535, 47488, 52040, 59360, 68953, 72856, 83264, 91070, 104080, 118720, 137906, 145712, 166528, 182140, 208160, 237440, 275812, 291424, 344765, 364280, 416320, 482671, 551624, 582848, 689530, 728560, 832640, 965342, 1103248, 1165696, 1379060, 1457120, 1930684, 2206496, 2413355, 2758120, 2914240, 3861368, 4412992, 4826710, 5516240, 5828480, 7722736, 8825984, 9653420, 11032480, 15445472, 19306840, 22064960, 30890944, 38613680, 44129920, 61781888, 77227360, 154454720, 308909440]

約数ペア:

[(1, 308909440), (2, 154454720), (4, 77227360), (5, 61781888), (7, 44129920), (8, 38613680), (10, 30890944), (14, 22064960), (16, 19306840), (20, 15445472), (28, 11032480), (32, 9653420), (35, 8825984), (40, 7722736), (53, 5828480), (56, 5516240), (64, 4826710), (70, 4412992), (80, 3861368), (106, 2914240), (112, 2758120), (128, 2413355), (140, 2206496), (160, 1930684), (212, 1457120), (224, 1379060), (265, 1165696), (280, 1103248), (320, 965342), (371, 832640), (424, 728560), (448, 689530), (530, 582848), (560, 551624), (640, 482671), (742, 416320), (848, 364280), (896, 344765), (1060, 291424), (1120, 275812), (1301, 237440), (1484, 208160), (1696, 182140), (1855, 166528), (2120, 145712), (2240, 137906), (2602, 118720), (2968, 104080), (3392, 91070), (3710, 83264), (4240, 72856), (4480, 68953), (5204, 59360), (5936, 52040), (6505, 47488), (6784, 45535), (7420, 41632), (8480, 36428), (9107, 33920), (10408, 29680), (11872, 26020), (13010, 23744), (14840, 20816), (16960, 18214)]