201917300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1223}}^1$

素因数の和:1377

約数の個数: 72

約数和(自身を含む): 475969536

約数和(自身を除く): 274052236

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 127, 130, 254, 260, 325, 508, 635, 650, 1223, 1270, 1300, 1651, 2446, 2540, 3175, 3302, 4892, 6115, 6350, 6604, 8255, 12230, 12700, 15899, 16510, 24460, 30575, 31798, 33020, 41275, 61150, 63596, 79495, 82550, 122300, 155321, 158990, 165100, 310642, 317980, 397475, 621284, 776605, 794950, 1553210, 1589900, 2019173, 3106420, 3883025, 4038346, 7766050, 8076692, 10095865, 15532100, 20191730, 40383460, 50479325, 100958650, 201917300]

約数ペア:

[(1, 201917300), (2, 100958650), (4, 50479325), (5, 40383460), (10, 20191730), (13, 15532100), (20, 10095865), (25, 8076692), (26, 7766050), (50, 4038346), (52, 3883025), (65, 3106420), (100, 2019173), (127, 1589900), (130, 1553210), (254, 794950), (260, 776605), (325, 621284), (508, 397475), (635, 317980), (650, 310642), (1223, 165100), (1270, 158990), (1300, 155321), (1651, 122300), (2446, 82550), (2540, 79495), (3175, 63596), (3302, 61150), (4892, 41275), (6115, 33020), (6350, 31798), (6604, 30575), (8255, 24460), (12230, 16510), (12700, 15899)]