227977990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{353}}^1$

素因数の和:537

約数の個数: 64

約数和(自身を含む): 454196160

約数和(自身を除く): 226218170

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 131, 145, 170, 262, 290, 353, 493, 655, 706, 986, 1310, 1765, 2227, 2465, 3530, 3799, 4454, 4930, 6001, 7598, 10237, 11135, 12002, 18995, 20474, 22270, 30005, 37990, 46243, 51185, 60010, 64583, 92486, 102370, 129166, 174029, 231215, 322915, 348058, 462430, 645830, 786131, 870145, 1341047, 1572262, 1740290, 2682094, 3930655, 6705235, 7861310, 13410470, 22797799, 45595598, 113988995, 227977990]

約数ペア:

[(1, 227977990), (2, 113988995), (5, 45595598), (10, 22797799), (17, 13410470), (29, 7861310), (34, 6705235), (58, 3930655), (85, 2682094), (131, 1740290), (145, 1572262), (170, 1341047), (262, 870145), (290, 786131), (353, 645830), (493, 462430), (655, 348058), (706, 322915), (986, 231215), (1310, 174029), (1765, 129166), (2227, 102370), (2465, 92486), (3530, 64583), (3799, 60010), (4454, 51185), (4930, 46243), (6001, 37990), (7598, 30005), (10237, 22270), (11135, 20474), (12002, 18995)]