202707505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 330656256

約数和(自身を除く): 127948751

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 101, 143, 385, 401, 455, 505, 707, 715, 1001, 1111, 1313, 2005, 2807, 3535, 4411, 5005, 5213, 5555, 6565, 7777, 9191, 14035, 14443, 22055, 26065, 30877, 36491, 38885, 40501, 45955, 57343, 72215, 101101, 154385, 182455, 202505, 283507, 286715, 401401, 445511, 505505, 526513, 1417535, 2007005, 2227555, 2632565, 3118577, 3685591, 5791643, 15592885, 18427955, 28958215, 40541501, 202707505]

約数ペア:

[(1, 202707505), (5, 40541501), (7, 28958215), (11, 18427955), (13, 15592885), (35, 5791643), (55, 3685591), (65, 3118577), (77, 2632565), (91, 2227555), (101, 2007005), (143, 1417535), (385, 526513), (401, 505505), (455, 445511), (505, 401401), (707, 286715), (715, 283507), (1001, 202505), (1111, 182455), (1313, 154385), (2005, 101101), (2807, 72215), (3535, 57343), (4411, 45955), (5005, 40501), (5213, 38885), (5555, 36491), (6565, 30877), (7777, 26065), (9191, 22055), (14035, 14443)]