2027420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 48

約数和(自身を含む): 4626720

約数和(自身を除く): 2599300

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 67, 68, 85, 89, 134, 170, 178, 268, 335, 340, 356, 445, 670, 890, 1139, 1340, 1513, 1780, 2278, 3026, 4556, 5695, 5963, 6052, 7565, 11390, 11926, 15130, 22780, 23852, 29815, 30260, 59630, 101371, 119260, 202742, 405484, 506855, 1013710, 2027420]

約数ペア:

[(1, 2027420), (2, 1013710), (4, 506855), (5, 405484), (10, 202742), (17, 119260), (20, 101371), (34, 59630), (67, 30260), (68, 29815), (85, 23852), (89, 22780), (134, 15130), (170, 11926), (178, 11390), (268, 7565), (335, 6052), (340, 5963), (356, 5695), (445, 4556), (670, 3026), (890, 2278), (1139, 1780), (1340, 1513)]