243544990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{271}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 491323392

約数和(自身を除く): 247778402

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 223, 271, 310, 403, 446, 542, 806, 1115, 1355, 2015, 2230, 2710, 2899, 3523, 4030, 5798, 6913, 7046, 8401, 13826, 14495, 16802, 17615, 28990, 34565, 35230, 42005, 60433, 69130, 84010, 89869, 109213, 120866, 179738, 218426, 302165, 449345, 546065, 604330, 785629, 898690, 1092130, 1571258, 1873423, 3746846, 3928145, 7856290, 9367115, 18734230, 24354499, 48708998, 121772495, 243544990]

約数ペア:

[(1, 243544990), (2, 121772495), (5, 48708998), (10, 24354499), (13, 18734230), (26, 9367115), (31, 7856290), (62, 3928145), (65, 3746846), (130, 1873423), (155, 1571258), (223, 1092130), (271, 898690), (310, 785629), (403, 604330), (446, 546065), (542, 449345), (806, 302165), (1115, 218426), (1355, 179738), (2015, 120866), (2230, 109213), (2710, 89869), (2899, 84010), (3523, 69130), (4030, 60433), (5798, 42005), (6913, 35230), (7046, 34565), (8401, 28990), (13826, 17615), (14495, 16802)]