228740865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{907}}^1$

素因数の和:998

約数の個数: 64

約数和(自身を含む): 414222336

約数和(自身を除く): 185481471

約数列:

[1, 3, 5, 15, 17, 23, 43, 51, 69, 85, 115, 129, 215, 255, 345, 391, 645, 731, 907, 989, 1173, 1955, 2193, 2721, 2967, 3655, 4535, 4945, 5865, 10965, 13605, 14835, 15419, 16813, 20861, 39001, 46257, 50439, 62583, 77095, 84065, 104305, 117003, 195005, 231285, 252195, 312915, 354637, 585015, 663017, 897023, 1063911, 1773185, 1989051, 2691069, 3315085, 4485115, 5319555, 9945255, 13455345, 15249391, 45748173, 76246955, 228740865]

約数ペア:

[(1, 228740865), (3, 76246955), (5, 45748173), (15, 15249391), (17, 13455345), (23, 9945255), (43, 5319555), (51, 4485115), (69, 3315085), (85, 2691069), (115, 1989051), (129, 1773185), (215, 1063911), (255, 897023), (345, 663017), (391, 585015), (645, 354637), (731, 312915), (907, 252195), (989, 231285), (1173, 195005), (1955, 117003), (2193, 104305), (2721, 84065), (2967, 77095), (3655, 62583), (4535, 50439), (4945, 46257), (5865, 39001), (10965, 20861), (13605, 16813), (14835, 15419)]