388337580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:724

約数の個数: 144

約数和(自身を含む): 1247500800

約数和(自身を除く): 859163220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 271, 285, 342, 380, 419, 542, 570, 684, 813, 838, 855, 1084, 1140, 1257, 1355, 1626, 1676, 1710, 2095, 2439, 2514, 2710, 3252, 3420, 3771, 4065, 4190, 4878, 5028, 5149, 5420, 6285, 7542, 7961, 8130, 8380, 9756, 10298, 12195, 12570, 15084, 15447, 15922, 16260, 18855, 20596, 23883, 24390, 25140, 25745, 30894, 31844, 37710, 39805, 46341, 47766, 48780, 51490, 61788, 71649, 75420, 77235, 79610, 92682, 95532, 102980, 113549, 119415, 143298, 154470, 159220, 185364, 227098, 231705, 238830, 286596, 308940, 340647, 358245, 454196, 463410, 477660, 567745, 681294, 716490, 926820, 1021941, 1135490, 1362588, 1432980, 1703235, 2043882, 2157431, 2270980, 3406470, 4087764, 4314862, 5109705, 6472293, 6812940, 8629724, 10219410, 10787155, 12944586, 19416879, 20438820, 21574310, 25889172, 32361465, 38833758, 43148620, 64722930, 77667516, 97084395, 129445860, 194168790, 388337580]

約数ペア:

[(1, 388337580), (2, 194168790), (3, 129445860), (4, 97084395), (5, 77667516), (6, 64722930), (9, 43148620), (10, 38833758), (12, 32361465), (15, 25889172), (18, 21574310), (19, 20438820), (20, 19416879), (30, 12944586), (36, 10787155), (38, 10219410), (45, 8629724), (57, 6812940), (60, 6472293), (76, 5109705), (90, 4314862), (95, 4087764), (114, 3406470), (171, 2270980), (180, 2157431), (190, 2043882), (228, 1703235), (271, 1432980), (285, 1362588), (342, 1135490), (380, 1021941), (419, 926820), (542, 716490), (570, 681294), (684, 567745), (813, 477660), (838, 463410), (855, 454196), (1084, 358245), (1140, 340647), (1257, 308940), (1355, 286596), (1626, 238830), (1676, 231705), (1710, 227098), (2095, 185364), (2439, 159220), (2514, 154470), (2710, 143298), (3252, 119415), (3420, 113549), (3771, 102980), (4065, 95532), (4190, 92682), (4878, 79610), (5028, 77235), (5149, 75420), (5420, 71649), (6285, 61788), (7542, 51490), (7961, 48780), (8130, 47766), (8380, 46341), (9756, 39805), (10298, 37710), (12195, 31844), (12570, 30894), (15084, 25745), (15447, 25140), (15922, 24390), (16260, 23883), (18855, 20596)]