68250650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:276

約数の個数: 72

約数和(自身を含む): 141530004

約数和(自身を除く): 73279354

約数列:

[1, 2, 5, 10, 13, 25, 26, 41, 50, 65, 82, 130, 169, 197, 205, 325, 338, 394, 410, 533, 650, 845, 985, 1025, 1066, 1690, 1970, 2050, 2561, 2665, 4225, 4925, 5122, 5330, 6929, 8077, 8450, 9850, 12805, 13325, 13858, 16154, 25610, 26650, 33293, 34645, 40385, 64025, 66586, 69290, 80770, 105001, 128050, 166465, 173225, 201925, 210002, 332930, 346450, 403850, 525005, 832325, 1050010, 1365013, 1664650, 2625025, 2730026, 5250050, 6825065, 13650130, 34125325, 68250650]

約数ペア:

[(1, 68250650), (2, 34125325), (5, 13650130), (10, 6825065), (13, 5250050), (25, 2730026), (26, 2625025), (41, 1664650), (50, 1365013), (65, 1050010), (82, 832325), (130, 525005), (169, 403850), (197, 346450), (205, 332930), (325, 210002), (338, 201925), (394, 173225), (410, 166465), (533, 128050), (650, 105001), (845, 80770), (985, 69290), (1025, 66586), (1066, 64025), (1690, 40385), (1970, 34645), (2050, 33293), (2561, 26650), (2665, 25610), (4225, 16154), (4925, 13858), (5122, 13325), (5330, 12805), (6929, 9850), (8077, 8450)]