7859540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 96

約数和(自身を含む): 19662720

約数和(自身を除く): 11803180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 37, 38, 43, 52, 65, 74, 76, 86, 95, 130, 148, 172, 185, 190, 215, 247, 260, 370, 380, 430, 481, 494, 559, 703, 740, 817, 860, 962, 988, 1118, 1235, 1406, 1591, 1634, 1924, 2236, 2405, 2470, 2795, 2812, 3182, 3268, 3515, 4085, 4810, 4940, 5590, 6364, 7030, 7955, 8170, 9139, 9620, 10621, 11180, 14060, 15910, 16340, 18278, 20683, 21242, 30229, 31820, 36556, 41366, 42484, 45695, 53105, 60458, 82732, 91390, 103415, 106210, 120916, 151145, 182780, 206830, 212420, 302290, 392977, 413660, 604580, 785954, 1571908, 1964885, 3929770, 7859540]

約数ペア:

[(1, 7859540), (2, 3929770), (4, 1964885), (5, 1571908), (10, 785954), (13, 604580), (19, 413660), (20, 392977), (26, 302290), (37, 212420), (38, 206830), (43, 182780), (52, 151145), (65, 120916), (74, 106210), (76, 103415), (86, 91390), (95, 82732), (130, 60458), (148, 53105), (172, 45695), (185, 42484), (190, 41366), (215, 36556), (247, 31820), (260, 30229), (370, 21242), (380, 20683), (430, 18278), (481, 16340), (494, 15910), (559, 14060), (703, 11180), (740, 10621), (817, 9620), (860, 9139), (962, 8170), (988, 7955), (1118, 7030), (1235, 6364), (1406, 5590), (1591, 4940), (1634, 4810), (1924, 4085), (2236, 3515), (2405, 3268), (2470, 3182), (2795, 2812)]