77168140

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1607}}^1$

素因数の和:1644

約数の個数: 60

約数和(自身を含む): 189168336

約数和(自身を除く): 112000196

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1607, 1715, 2401, 3214, 3430, 4802, 6428, 6860, 8035, 9604, 11249, 12005, 16070, 22498, 24010, 32140, 44996, 48020, 56245, 78743, 112490, 157486, 224980, 314972, 393715, 551201, 787430, 1102402, 1574860, 2204804, 2756005, 3858407, 5512010, 7716814, 11024020, 15433628, 19292035, 38584070, 77168140]

約数ペア:

[(1, 77168140), (2, 38584070), (4, 19292035), (5, 15433628), (7, 11024020), (10, 7716814), (14, 5512010), (20, 3858407), (28, 2756005), (35, 2204804), (49, 1574860), (70, 1102402), (98, 787430), (140, 551201), (196, 393715), (245, 314972), (343, 224980), (490, 157486), (686, 112490), (980, 78743), (1372, 56245), (1607, 48020), (1715, 44996), (2401, 32140), (3214, 24010), (3430, 22498), (4802, 16070), (6428, 12005), (6860, 11249), (8035, 9604)]