87216220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:479

約数の個数: 96

約数和(自身を含む): 227541888

約数和(自身を除く): 140325668

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 173, 182, 260, 277, 346, 364, 455, 554, 692, 865, 910, 1108, 1211, 1385, 1730, 1820, 1939, 2249, 2422, 2770, 3460, 3601, 3878, 4498, 4844, 5540, 6055, 7202, 7756, 8996, 9695, 11245, 12110, 14404, 15743, 18005, 19390, 22490, 24220, 25207, 31486, 36010, 38780, 44980, 47921, 50414, 62972, 72020, 78715, 95842, 100828, 126035, 157430, 191684, 239605, 252070, 314860, 335447, 479210, 504140, 622973, 670894, 958420, 1245946, 1341788, 1677235, 2491892, 3114865, 3354470, 4360811, 6229730, 6708940, 8721622, 12459460, 17443244, 21804055, 43608110, 87216220]

約数ペア:

[(1, 87216220), (2, 43608110), (4, 21804055), (5, 17443244), (7, 12459460), (10, 8721622), (13, 6708940), (14, 6229730), (20, 4360811), (26, 3354470), (28, 3114865), (35, 2491892), (52, 1677235), (65, 1341788), (70, 1245946), (91, 958420), (130, 670894), (140, 622973), (173, 504140), (182, 479210), (260, 335447), (277, 314860), (346, 252070), (364, 239605), (455, 191684), (554, 157430), (692, 126035), (865, 100828), (910, 95842), (1108, 78715), (1211, 72020), (1385, 62972), (1730, 50414), (1820, 47921), (1939, 44980), (2249, 38780), (2422, 36010), (2770, 31486), (3460, 25207), (3601, 24220), (3878, 22490), (4498, 19390), (4844, 18005), (5540, 15743), (6055, 14404), (7202, 12110), (7756, 11245), (8996, 9695)]