208729300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{523}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 490308896

約数和(自身を除く): 281579596

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 307, 325, 523, 614, 650, 1046, 1228, 1300, 1535, 2092, 2615, 3070, 3991, 5230, 6140, 6799, 7675, 7982, 10460, 13075, 13598, 15350, 15964, 19955, 26150, 27196, 30700, 33995, 39910, 52300, 67990, 79820, 99775, 135980, 160561, 169975, 199550, 321122, 339950, 399100, 642244, 679900, 802805, 1605610, 2087293, 3211220, 4014025, 4174586, 8028050, 8349172, 10436465, 16056100, 20872930, 41745860, 52182325, 104364650, 208729300]

約数ペア:

[(1, 208729300), (2, 104364650), (4, 52182325), (5, 41745860), (10, 20872930), (13, 16056100), (20, 10436465), (25, 8349172), (26, 8028050), (50, 4174586), (52, 4014025), (65, 3211220), (100, 2087293), (130, 1605610), (260, 802805), (307, 679900), (325, 642244), (523, 399100), (614, 339950), (650, 321122), (1046, 199550), (1228, 169975), (1300, 160561), (1535, 135980), (2092, 99775), (2615, 79820), (3070, 67990), (3991, 52300), (5230, 39910), (6140, 33995), (6799, 30700), (7675, 27196), (7982, 26150), (10460, 19955), (13075, 15964), (13598, 15350)]