79939020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{190331}}^1$

素因数の和:190350

約数の個数: 48

約数和(自身を含む): 255806208

約数和(自身を除く): 175867188

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 190331, 380662, 570993, 761324, 951655, 1141986, 1332317, 1903310, 2283972, 2664634, 2854965, 3806620, 3996951, 5329268, 5709930, 6661585, 7993902, 11419860, 13323170, 15987804, 19984755, 26646340, 39969510, 79939020]

約数ペア:

[(1, 79939020), (2, 39969510), (3, 26646340), (4, 19984755), (5, 15987804), (6, 13323170), (7, 11419860), (10, 7993902), (12, 6661585), (14, 5709930), (15, 5329268), (20, 3996951), (21, 3806620), (28, 2854965), (30, 2664634), (35, 2283972), (42, 1903310), (60, 1332317), (70, 1141986), (84, 951655), (105, 761324), (140, 570993), (210, 380662), (420, 190331)]