28887930

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:348

約数の個数: 96

約数和(自身を含む): 80870400

約数和(自身を除く): 51982470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 79, 85, 90, 102, 153, 158, 170, 237, 239, 255, 306, 395, 474, 478, 510, 711, 717, 765, 790, 1185, 1195, 1343, 1422, 1434, 1530, 2151, 2370, 2390, 2686, 3555, 3585, 4029, 4063, 4302, 6715, 7110, 7170, 8058, 8126, 10755, 12087, 12189, 13430, 18881, 20145, 20315, 21510, 24174, 24378, 36567, 37762, 40290, 40630, 56643, 60435, 60945, 73134, 94405, 113286, 120870, 121890, 169929, 182835, 188810, 283215, 320977, 339858, 365670, 566430, 641954, 849645, 962931, 1604885, 1699290, 1925862, 2888793, 3209770, 4814655, 5777586, 9629310, 14443965, 28887930]

約数ペア:

[(1, 28887930), (2, 14443965), (3, 9629310), (5, 5777586), (6, 4814655), (9, 3209770), (10, 2888793), (15, 1925862), (17, 1699290), (18, 1604885), (30, 962931), (34, 849645), (45, 641954), (51, 566430), (79, 365670), (85, 339858), (90, 320977), (102, 283215), (153, 188810), (158, 182835), (170, 169929), (237, 121890), (239, 120870), (255, 113286), (306, 94405), (395, 73134), (474, 60945), (478, 60435), (510, 56643), (711, 40630), (717, 40290), (765, 37762), (790, 36567), (1185, 24378), (1195, 24174), (1343, 21510), (1422, 20315), (1434, 20145), (1530, 18881), (2151, 13430), (2370, 12189), (2390, 12087), (2686, 10755), (3555, 8126), (3585, 8058), (4029, 7170), (4063, 7110), (4302, 6715)]