214795100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1301}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 506300928

約数和(自身を除く): 291505828

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1270, 1300, 1301, 1651, 2540, 2602, 3175, 3302, 5204, 6350, 6505, 6604, 8255, 12700, 13010, 16510, 16913, 26020, 32525, 33020, 33826, 41275, 65050, 67652, 82550, 84565, 130100, 165100, 165227, 169130, 330454, 338260, 422825, 660908, 826135, 845650, 1652270, 1691300, 2147951, 3304540, 4130675, 4295902, 8261350, 8591804, 10739755, 16522700, 21479510, 42959020, 53698775, 107397550, 214795100]

約数ペア:

[(1, 214795100), (2, 107397550), (4, 53698775), (5, 42959020), (10, 21479510), (13, 16522700), (20, 10739755), (25, 8591804), (26, 8261350), (50, 4295902), (52, 4130675), (65, 3304540), (100, 2147951), (127, 1691300), (130, 1652270), (254, 845650), (260, 826135), (325, 660908), (508, 422825), (635, 338260), (650, 330454), (1270, 169130), (1300, 165227), (1301, 165100), (1651, 130100), (2540, 84565), (2602, 82550), (3175, 67652), (3302, 65050), (5204, 41275), (6350, 33826), (6505, 33020), (6604, 32525), (8255, 26020), (12700, 16913), (13010, 16510)]