290109100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1427}}^1$

素因数の和:1567

約数の個数: 72

約数和(自身を含む): 669332160

約数和(自身を除く): 379223060

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 107, 190, 214, 380, 428, 475, 535, 950, 1070, 1427, 1900, 2033, 2140, 2675, 2854, 4066, 5350, 5708, 7135, 8132, 10165, 10700, 14270, 20330, 27113, 28540, 35675, 40660, 50825, 54226, 71350, 101650, 108452, 135565, 142700, 152689, 203300, 271130, 305378, 542260, 610756, 677825, 763445, 1355650, 1526890, 2711300, 2901091, 3053780, 3817225, 5802182, 7634450, 11604364, 14505455, 15268900, 29010910, 58021820, 72527275, 145054550, 290109100]

約数ペア:

[(1, 290109100), (2, 145054550), (4, 72527275), (5, 58021820), (10, 29010910), (19, 15268900), (20, 14505455), (25, 11604364), (38, 7634450), (50, 5802182), (76, 3817225), (95, 3053780), (100, 2901091), (107, 2711300), (190, 1526890), (214, 1355650), (380, 763445), (428, 677825), (475, 610756), (535, 542260), (950, 305378), (1070, 271130), (1427, 203300), (1900, 152689), (2033, 142700), (2140, 135565), (2675, 108452), (2854, 101650), (4066, 71350), (5350, 54226), (5708, 50825), (7135, 40660), (8132, 35675), (10165, 28540), (10700, 27113), (14270, 20330)]