2150555820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{5120371}}^1$

素因数の和:5120390

約数の個数: 48

約数和(自身を含む): 6881779968

約数和(自身を除く): 4731224148

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, 5120371, 10240742, 15361113, 20481484, 25601855, 30722226, 35842597, 51203710, 61444452, 71685194, 76805565, 102407420, 107527791, 143370388, 153611130, 179212985, 215055582, 307222260, 358425970, 430111164, 537638955, 716851940, 1075277910, 2150555820]

約数ペア:

[(1, 2150555820), (2, 1075277910), (3, 716851940), (4, 537638955), (5, 430111164), (6, 358425970), (7, 307222260), (10, 215055582), (12, 179212985), (14, 153611130), (15, 143370388), (20, 107527791), (21, 102407420), (28, 76805565), (30, 71685194), (35, 61444452), (42, 51203710), (60, 35842597), (70, 30722226), (84, 25601855), (105, 20481484), (140, 15361113), (210, 10240742), (420, 5120371)]