138346980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{121357}}^1$

素因数の和:121388

約数の個数: 48

約数和(自身を含む): 407762880

約数和(自身を除く): 269415900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 121357, 242714, 364071, 485428, 606785, 728142, 1213570, 1456284, 1820355, 2305783, 2427140, 3640710, 4611566, 6917349, 7281420, 9223132, 11528915, 13834698, 23057830, 27669396, 34586745, 46115660, 69173490, 138346980]

約数ペア:

[(1, 138346980), (2, 69173490), (3, 46115660), (4, 34586745), (5, 27669396), (6, 23057830), (10, 13834698), (12, 11528915), (15, 9223132), (19, 7281420), (20, 6917349), (30, 4611566), (38, 3640710), (57, 2427140), (60, 2305783), (76, 1820355), (95, 1456284), (114, 1213570), (190, 728142), (228, 606785), (285, 485428), (380, 364071), (570, 242714), (1140, 121357)]