1920100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 5152448

約数和(自身を除く): 3232348

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 100, 130, 140, 175, 182, 211, 260, 325, 350, 364, 422, 455, 650, 700, 844, 910, 1055, 1300, 1477, 1820, 2110, 2275, 2743, 2954, 4220, 4550, 5275, 5486, 5908, 7385, 9100, 10550, 10972, 13715, 14770, 19201, 21100, 27430, 29540, 36925, 38402, 54860, 68575, 73850, 76804, 96005, 137150, 147700, 192010, 274300, 384020, 480025, 960050, 1920100]

約数ペア:

[(1, 1920100), (2, 960050), (4, 480025), (5, 384020), (7, 274300), (10, 192010), (13, 147700), (14, 137150), (20, 96005), (25, 76804), (26, 73850), (28, 68575), (35, 54860), (50, 38402), (52, 36925), (65, 29540), (70, 27430), (91, 21100), (100, 19201), (130, 14770), (140, 13715), (175, 10972), (182, 10550), (211, 9100), (260, 7385), (325, 5908), (350, 5486), (364, 5275), (422, 4550), (455, 4220), (650, 2954), (700, 2743), (844, 2275), (910, 2110), (1055, 1820), (1300, 1477)]