153010420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{419}}^1$

素因数の和:509

約数の個数: 72

約数和(自身を含む): 350330400

約数和(自身を除く): 197319980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 419, 589, 620, 838, 961, 1178, 1676, 1922, 2095, 2356, 2945, 3844, 4190, 4805, 5890, 7961, 8380, 9610, 11780, 12989, 15922, 18259, 19220, 25978, 31844, 36518, 39805, 51956, 64945, 73036, 79610, 91295, 129890, 159220, 182590, 246791, 259780, 365180, 402659, 493582, 805318, 987164, 1233955, 1610636, 2013295, 2467910, 4026590, 4935820, 7650521, 8053180, 15301042, 30602084, 38252605, 76505210, 153010420]

約数ペア:

[(1, 153010420), (2, 76505210), (4, 38252605), (5, 30602084), (10, 15301042), (19, 8053180), (20, 7650521), (31, 4935820), (38, 4026590), (62, 2467910), (76, 2013295), (95, 1610636), (124, 1233955), (155, 987164), (190, 805318), (310, 493582), (380, 402659), (419, 365180), (589, 259780), (620, 246791), (838, 182590), (961, 159220), (1178, 129890), (1676, 91295), (1922, 79610), (2095, 73036), (2356, 64945), (2945, 51956), (3844, 39805), (4190, 36518), (4805, 31844), (5890, 25978), (7961, 19220), (8380, 18259), (9610, 15922), (11780, 12989)]