201284990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:317

約数の個数: 64

約数和(自身を含む): 387011520

約数和(自身を除く): 185726530

約数列:

[1, 2, 5, 10, 41, 53, 59, 82, 106, 118, 157, 205, 265, 295, 314, 410, 530, 590, 785, 1570, 2173, 2419, 3127, 4346, 4838, 6254, 6437, 8321, 9263, 10865, 12095, 12874, 15635, 16642, 18526, 21730, 24190, 31270, 32185, 41605, 46315, 64370, 83210, 92630, 128207, 256414, 341161, 379783, 490939, 641035, 682322, 759566, 981878, 1282070, 1705805, 1898915, 2454695, 3411610, 3797830, 4909390, 20128499, 40256998, 100642495, 201284990]

約数ペア:

[(1, 201284990), (2, 100642495), (5, 40256998), (10, 20128499), (41, 4909390), (53, 3797830), (59, 3411610), (82, 2454695), (106, 1898915), (118, 1705805), (157, 1282070), (205, 981878), (265, 759566), (295, 682322), (314, 641035), (410, 490939), (530, 379783), (590, 341161), (785, 256414), (1570, 128207), (2173, 92630), (2419, 83210), (3127, 64370), (4346, 46315), (4838, 41605), (6254, 32185), (6437, 31270), (8321, 24190), (9263, 21730), (10865, 18526), (12095, 16642), (12874, 15635)]