1955255820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{665053}}^1$

素因数の和:665079

約数の個数: 72

約数和(自身を含む): 6368557104

約数和(自身を除く): 4413301284

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 665053, 1330106, 1995159, 2660212, 3325265, 3990318, 4655371, 6650530, 7980636, 9310742, 9975795, 13301060, 13966113, 18621484, 19951590, 23276855, 27932226, 32587597, 39903180, 46553710, 55864452, 65175194, 69830565, 93107420, 97762791, 130350388, 139661130, 162937985, 195525582, 279322260, 325875970, 391051164, 488813955, 651751940, 977627910, 1955255820]

約数ペア:

[(1, 1955255820), (2, 977627910), (3, 651751940), (4, 488813955), (5, 391051164), (6, 325875970), (7, 279322260), (10, 195525582), (12, 162937985), (14, 139661130), (15, 130350388), (20, 97762791), (21, 93107420), (28, 69830565), (30, 65175194), (35, 55864452), (42, 46553710), (49, 39903180), (60, 32587597), (70, 27932226), (84, 23276855), (98, 19951590), (105, 18621484), (140, 13966113), (147, 13301060), (196, 9975795), (210, 9310742), (245, 7980636), (294, 6650530), (420, 4655371), (490, 3990318), (588, 3325265), (735, 2660212), (980, 1995159), (1470, 1330106), (2940, 665053)]